{"title":"French Drain \u0026 Drainage Materials","description":"\u003cp\u003eWhen the Norfolk County clay finally drains in late March, you find out exactly which corner of the yard the water has been sitting in all winter. A French drain only works if the trench is wrapped in clean, washed stone and the right bedding sand — fines clog the perforated pipe and you’re back to a swamp by April.\u003c\/p\u003e\u003cp\u003eThis collection groups the bulk drainage materials Ottr keeps on the yard year-round:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGray Crushed Rock ¾\" and 1.5\"\u003c\/strong\u003e — washed, drainage-friendly aggregate sized for #57-style French drain fill and dry wells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Stone Rock ½\" and ¾\"\u003c\/strong\u003e — an alternative drain stone where homeowners want a grayer, more uniform aesthetic at the trench cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Stone Dust (fines)\u003c\/strong\u003e — bedding under filter fabric and pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse Sand\u003c\/strong\u003e — foundation course on bony native soils where you need to seat the fabric flat before stone goes in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCoverage rule of thumb:\u003c\/strong\u003e one cubic yard of drainage stone fills roughly 27 linear feet of a 12\"-wide x 12\"-deep trench, or about 18 linear feet at 12\" x 18\". Add 10-15% for compaction and waste on residential pulls.\u003c\/p\u003e\u003cp\u003eSame-day or next-day dump-truck delivery across Massachusetts and Rhode Island. Order by the cubic yard for residential French drains, by the 14-yard load for commercial lots and engineered drainage installs.\u003c\/p\u003e","products":[{"product_id":"blue-gray-granite-dust","title":"Blue-Gray Granite Dust","description":"\u003cp\u003e\u003cstrong\u003eBlue-Gray Granite Dust — The Compactable Fines That Lock Pavers Together \u0026amp; Finish Walkways\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSame spec class as \u003ca href=\"https:\/\/ottrsupply.com\/products\/10-stone-dust\" title=\"#10 Stone Dust\"\u003e#10 Screenings\u003c\/a\u003e (AASHTO M43 \/ ASTM D448 No. 10) — blue-gray granite variant of the same gradation.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eBlue-Gray Granite Dust is the quarter-minus by-product of crushing our native Boston-area granite — the fine material that packs to a hard, near-concrete-like surface when it gets the right moisture and a tamper. Hardscape installers sweep it into paver joints. Trail builders compact it as a finished walking surface. Horse owners spread it as low-cost arena footing. It's the unsung hero of any project where stone needs to lock together and stay put.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue-gray granite screenings, native to the Boston area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuarter-minus (passes ⅜\", high-fines, angular)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~150 sq ft at 2\" depth (compacted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,700 lbs\/yd³ (~1.35 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#10 screenings, stone dust, blue stone dust, quarter-minus, blue-gray pack, granite fines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePaver joint sweep-in for natural stone and concrete pavers\u003c\/li\u003e\n\u003cli\u003eCompactable walkway surfaces on garden paths and trails\u003c\/li\u003e\n\u003cli\u003eHorse paddock and riding arena footing\u003c\/li\u003e\n\u003cli\u003eTop-finish over base layers on patio and walkway installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eFor a 4' × 25' garden path at 2\" compacted depth, plan on about 0.6 cubic yards. A 200 sq ft paver patio with stone-dust joint sweep-in needs roughly 0.2 yards — just enough to fill the joints and clean up the surface. Always compact in 1\" lifts when building a structural walking surface.\u003c\/p\u003e\n\u003ch3\u003eHow Blue-Gray Granite Dust compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. #10 Stone Dust (standard granite):\u003c\/strong\u003e Same gradation, different color profile. Blue-gray has a steel undertone that reads cool; the standard #10 is the neutral gray.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Mason Sand:\u003c\/strong\u003e Mason sand is rounder and softer (used for mortar). Blue-gray granite dust is angular and locks under compaction — better for walkway setting beds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Dense Pack:\u003c\/strong\u003e Dense Pack has a ¾\" top stone plus fines. Blue-Gray Granite Dust is just the fines. Use dust to top a dense-pack base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Concrete Sand:\u003c\/strong\u003e Concrete sand drains better and is the ICPI-spec'd paver bedding sand. Stone dust is the traditional joint-sweep material — different layer, different job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Blue-Gray Granite Dust used for?\u003c\/strong\u003e\u003cbr\u003eWalkway setting beds, paver joint fill, top dressing on driveways, arena footing, and footing for stepping stones and flagstone. It compacts to a near-solid layer that locks the surface above it in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Blue-Gray Granite Dust the same as #10 screenings?\u003c\/strong\u003e\u003cbr\u003eSame spec class (AASHTO M43 \/ ASTM D448 No. 10) — just the blue-gray color profile of the granite. Gradationally identical to standard #10 stone dust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Blue-Gray Granite Dust drain?\u003c\/strong\u003e\u003cbr\u003eNot well. The fines pack tight, so water sheds across the surface rather than percolating through. That's a feature for walkways (no settling) but a bug if drainage is needed — for drainage, use a clean stone instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Blue-Gray Granite Dust under pavers?\u003c\/strong\u003e\u003cbr\u003eFor dry-laid stepping stones and flagstone, yes — it is the traditional setting bed. For interlocking concrete pavers, contemporary ICPI guidance prefers concrete sand for bedding; stone dust is still used for joint sweep-in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of stone dust weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,700 lbs per cubic yard, or roughly 1.35 tons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver stone dust in the Boston area?\u003c\/strong\u003e\u003cbr\u003eYes — same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We deliver across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\"\u003edense pack ¾\" to minus\u003c\/a\u003e for the compacted base layer underneath, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/blue-gray-granite-0-5\"\u003eblue-gray granite ½\"\u003c\/a\u003e for the decorative layer alongside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the compactable blue-gray fines that finish hardscape projects clean.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is Blue-Gray Granite Dust used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Walkway setting beds, paver joint fill, top dressing on driveways, arena footing, and footing for stepping stones and flagstone. It compacts to a near-solid layer.\"}},{\"@type\":\"Question\",\"name\":\"Is Blue-Gray Granite Dust the same as #10 screenings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same spec class (AASHTO M43 \/ ASTM D448 No. 10) — just the blue-gray color profile of the granite. Gradationally identical to standard #10 stone dust.\"}},{\"@type\":\"Question\",\"name\":\"Does Blue-Gray Granite Dust drain?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not well. The fines pack tight, so water sheds across the surface rather than percolating through.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it under pavers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For dry-laid stepping stones and flagstone, yes — it is the traditional setting bed. For interlocking concrete pavers, ICPI guidance prefers concrete sand for bedding; stone dust is still used for joint sweep.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard of stone dust weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,700 lbs per cubic yard, or roughly 1.35 tons.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver in the Boston area?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\"}}]}\u003c\/script\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46162967822564,"sku":"4020","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/BlueStoneRockFines.png?v=1742512179"},{"product_id":"gray-granite-0-75","title":"Gray Granite ¾\"","description":"\u003cp\u003e\u003cstrong\u003eGray Granite ¾\" — The Classic New England Driveway Gravel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAlso sold as \u003ca href=\"https:\/\/ottrsupply.com\/products\/57-stone\" title=\"#57 Stone (Crushed Granite)\"\u003e#57 Stone (Crushed Granite)\u003c\/a\u003e — the contractor spec name for the same material (ASTM C33 \/ AASHTO M43 No. 57).\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eGray Granite ¾\" is the gravel half of New England knows by name. Classic gray-on-gray tone, angular crushed faces that lock together under tires instead of rolling out from under them, and the right size to drain well without being a pebbly mess underfoot. It's been the default driveway material here for generations — and for the same reason, it's still the right call today.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrushed granite, native to the Boston area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e¾\" nominal — angular, crushed faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~80 sq ft at 4\" depth (driveway top coat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,500–2,700 lbs\/yd³ (~1.25–1.35 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#57 stone, crushed gray rock, ¾\" gravel, driveway gravel, gray crushed rock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResidential driveway top coats and re-bases\u003c\/li\u003e\n\u003cli\u003ePatio and walkway base layers under pavers and flagstone\u003c\/li\u003e\n\u003cli\u003eDrainage trenches around foundations and along yard edges\u003c\/li\u003e\n\u003cli\u003eParking pads, equipment storage areas, and yard utility surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eA typical 600 sq ft residential driveway at a 3\" top-coat depth needs about 5.5 cubic yards. For a longer 100' country driveway 12' wide at 3\", plan on about 11 yards. A 200 sq ft paver patio with 4\" of ¾\" base stone needs about 2.5 yards (with dense pack typically below).\u003c\/p\u003e\n\u003ch3\u003eHow Gray Granite ¾\" compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Gray Granite ⅜\":\u003c\/strong\u003e ⅜\" is the smaller, foot-friendlier version — better for garden walkways and decorative borders. ¾\" is the chunkier driveway\/base size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Gray Granite 1.5\":\u003c\/strong\u003e 1.5\" is for heavy drainage trenches and deep backfill. ¾\" is the residential driveway standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Dense Pack ¾\":\u003c\/strong\u003e Dense Pack has fines mixed in for compaction. ¾\" gray granite is clean for drainage and finish. Pick by whether you need a compacted base or a drainable top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Blue-Gray Granite ¾\":\u003c\/strong\u003e Same size, different color profile. Blue-gray has a steel undertone; gray is the classic neutral tone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow much gray gravel do I need for my driveway?\u003c\/strong\u003e\u003cbr\u003eFor a 2-car residential driveway (~600 sq ft) at a 3\" top coat, plan on about 5.5 cubic yards. A longer country driveway (12' × 100' at 3\") runs about 11 yards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Gray Granite ¾\" the same as #57 stone?\u003c\/strong\u003e\u003cbr\u003eYes — gradationally, our ¾\" gray crushed granite meets ASTM C33 \/ AASHTO M43 No. 57. Contractors call it #57 stone; homeowners call it gray gravel or crushed rock. Same material under both names.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this hold up to snow plowing?\u003c\/strong\u003e\u003cbr\u003eYes. Angular crushed granite is the right gravel for plowed driveways — the angular faces lock together so gravel doesn't migrate when a plow passes. Round pea gravel or river rock would scatter; ¾\" gray granite stays in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Gray Granite ¾\" under pavers?\u003c\/strong\u003e\u003cbr\u003eYes as a drainage layer, but for the structural base under pavers you want \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e or \u003ca href=\"https:\/\/ottrsupply.com\/products\/610-stone\"\u003e#610 Stone\u003c\/a\u003e — those have fines mixed in to compact tight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does Gray Granite ¾\" compare to crushed concrete?\u003c\/strong\u003e\u003cbr\u003eCrushed concrete is the recycled, budget-friendly alternative for base material. Gray granite is the virgin-aggregate finish material — more uniform appearance, more durable through freeze-thaw, more refined look for a visible driveway top.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver to my town?\u003c\/strong\u003e\u003cbr\u003eSame-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties. No minimum order; flat-rate delivery shown in the price breakdown.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We run gray granite daily across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\"\u003edense pack ¾\" to minus\u003c\/a\u003e for the compacted base under driveways and patios, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/gray-granite-0-375\"\u003egray granite ⅜\"\u003c\/a\u003e for the finer walkway version of the same look.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the classic gray driveway gravel that does the job right.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much gray gravel do I need for my driveway?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For a 2-car residential driveway of about 600 sq ft at a 3 inch top coat, plan on about 5.5 cubic yards. A longer country driveway of 12 feet by 100 feet at 3 inches runs about 11 yards.\"}},{\"@type\":\"Question\",\"name\":\"Is Gray Granite 3\/4 inch the same as #57 stone?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Our 3\/4 inch gray crushed granite meets ASTM C33 \/ AASHTO M43 No. 57 specifications. Contractors call it #57 stone; homeowners call it gray gravel or crushed rock.\"}},{\"@type\":\"Question\",\"name\":\"Will this hold up to snow plowing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Angular crushed granite is the right gravel for plowed driveways. The angular faces lock together so gravel does not migrate when a plow passes.\"}},{\"@type\":\"Question\",\"name\":\"Can I use Gray Granite under pavers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes as a drainage layer, but for the structural base under pavers you want Dense Pack 3\/4 inch to minus or #610 Stone — those have fines mixed in to compact tight.\"}},{\"@type\":\"Question\",\"name\":\"How does Gray Granite compare to crushed concrete?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Crushed concrete is the recycled, budget-friendly alternative for base material. Gray granite is the virgin-aggregate finish material — more uniform, more durable through freeze-thaw, more refined for a visible driveway top.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver to my town?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties. No minimum order; flat-rate delivery shown in the price breakdown.\"}}]}\u003c\/script\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46162968150244,"sku":"4002","price":79.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Limestone-Rock-0.75-Inch.png?v=1742512204"},{"product_id":"gray-granite-1-5","title":"Gray Granite 1.5\"","description":"\u003cp\u003e\u003cstrong\u003eGray Granite 1.5\" — Heavy-Duty Stone for Deep Drainage \u0026amp; Backfill\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAlso sold as \u003ca href=\"https:\/\/ottrsupply.com\/products\/4-stone\" title=\"#4 Stone (Crushed Granite Ballast)\"\u003e#4 Stone (Crushed Granite)\u003c\/a\u003e — the contractor spec name for the same material (AASHTO M43 \/ ASTM D448 No. 4).\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eGray Granite 1.5\" is the size that drainage installers, septic contractors, and excavators reach for when the project calls for serious water-moving capacity. The larger void space between stones means water flows through fast — critical for French drains, septic system bedding, and any application where the job is to get water out and away.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrushed granite, native to the Boston area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5\" nominal — angular, crushed, clean of fines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~27 cubic feet of trench per yard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,500 lbs\/yd³ (~1.25 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#4 stone, ballast stone, 1.5\" crushed gray, large drainage rock, septic stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeep French drains and footing drains around foundations\u003c\/li\u003e\n\u003cli\u003eSeptic system pipe bedding and trenching\u003c\/li\u003e\n\u003cli\u003eStorm drain systems and dry-well construction\u003c\/li\u003e\n\u003cli\u003eRetaining wall backfill behind block and stone walls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eA 100' French drain trench (12\" wide × 24\" deep) needs about 7.4 cubic yards. Backfilling a 50' segmental retaining wall (12\" deep gravel zone behind the block) takes roughly 3.7 yards. Septic pipe bedding sizes are dictated by the engineered design — your installer will give you the exact volume.\u003c\/p\u003e\n\u003ch3\u003eHow Gray Granite 1.5\" compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Gray Granite ¾\":\u003c\/strong\u003e 1.5\" is the deeper-drainage size with bigger voids and faster water flow. ¾\" is the driveway standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Rip Rap 6\"–12\":\u003c\/strong\u003e Rip rap is much larger — used for erosion control along shorelines, ditches, and high-energy stream banks. 1.5\" sits below rip rap in scale.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Crushed Concrete 1\" to minus:\u003c\/strong\u003e Crushed concrete is dense-graded with fines for compaction. 1.5\" gray granite is clean for drainage. Different jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Blue-Gray Granite ¾\":\u003c\/strong\u003e Different color and smaller size; ¾\" is finish gravel, 1.5\" is drainage rock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Gray Granite 1.5\" used for?\u003c\/strong\u003e\u003cbr\u003eHeavy drainage, foundation backfill, large culvert bedding, septic system stone, and the transition layer between rip rap and finer drainage rock. It is reserved for deeper, higher-flow applications than the ¾\" residential standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Gray Granite 1.5\" the same as #4 stone?\u003c\/strong\u003e\u003cbr\u003eYes — gradationally, 1.5\" gray crushed granite meets AASHTO M43 \/ ASTM D448 No. 4. The residential descriptor and the contractor spec name point to the same material.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this stone clog up?\u003c\/strong\u003e\u003cbr\u003eNo. Because it's clean of fines, the void space between the stones stays open and water flows freely. Wrap the trench in non-woven filter fabric to keep silt and fines from migrating in from the surrounding soil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow deep should a French drain be?\u003c\/strong\u003e\u003cbr\u003eFor typical residential downspout dispersal, 18–24\" deep × 12\" wide works. For foundation drains around a full basement, follow the engineer's spec — usually 24\"+ deep wrapped in filter fabric at the footing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of 1.5\" gray granite weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,500 lbs per cubic yard, or roughly 1.25 tons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver drainage stone in the Boston area?\u003c\/strong\u003e\u003cbr\u003eYes — same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We run drainage stone routes across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/gray-granite-0-75\"\u003egray granite ¾\"\u003c\/a\u003e for the upper drainage layer or driveway top coat above, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/septic-sand\"\u003eseptic sand\u003c\/a\u003e for Title 5 leach field installations alongside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the heavy-duty drainage stone for jobs that need real flow capacity.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is Gray Granite 1.5 inch used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Heavy drainage, foundation backfill, large culvert bedding, septic system stone, and the transition layer between rip rap and finer drainage rock.\"}},{\"@type\":\"Question\",\"name\":\"Is Gray Granite 1.5 inch the same as #4 stone?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. 1.5 inch gray crushed granite meets AASHTO M43 \/ ASTM D448 No. 4 specifications.\"}},{\"@type\":\"Question\",\"name\":\"Will this stone clog up?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Because it is clean of fines, the void space between stones stays open and water flows freely. Wrap the trench in non-woven filter fabric to keep silt out.\"}},{\"@type\":\"Question\",\"name\":\"How deep should a French drain be?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For typical residential downspout dispersal, 18 to 24 inches deep by 12 inches wide. For foundation drains around a full basement, follow the engineer's spec, usually 24 inches or more wrapped in filter fabric at the footing.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,500 lbs per cubic yard, or roughly 1.25 tons.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver drainage stone in the Boston area?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\"}}]}\u003c\/script\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46162968183012,"sku":"4003","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Gray-Crushed-Rock-1.5-Inch.png?v=1743017119"},{"product_id":"blue-gray-granite-0-75","title":"Blue-Gray Granite ¾\"","description":"\u003cp\u003e\u003cstrong\u003eBlue-Gray Granite ¾\" — The Workhorse Crushed Stone for Driveways \u0026amp; Drainage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNative Boston-area blue-gray granite — not to be confused with Pennsylvania\/New York bluestone.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eOur ¾\" Blue-Gray Granite is the standard-bearer of New England crushed stone — the size driveway pros reach for, the size drainage installers spec by name, and the size that gives outdoor projects that classic, intentional blue-gray look. Big enough to take vehicle weight without crushing, small enough to spread evenly with a rake.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue-gray crushed granite, native to the Boston area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e¾\" nominal — angular, crushed faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~80 sq ft at 4\" depth (driveway top coat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,500–2,700 lbs\/yd³ (~1.25–1.35 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue stone ¾\", ¾\" crushed blue, driveway gravel, blue gravel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResidential and commercial driveway top coats and re-bases\u003c\/li\u003e\n\u003cli\u003ePatio and walkway base layers under pavers and flagstone\u003c\/li\u003e\n\u003cli\u003eFrench drains, foundation drainage, and downspout dispersal\u003c\/li\u003e\n\u003cli\u003eDecorative ground cover in beds with chunkier visual texture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eFor a 600 sq ft driveway top-coat at 3\" depth, plan on about 5.5 cubic yards. A 50' French drain trench (12\" wide × 18\" deep) needs about 2.8 yards. New patio base under 200 sq ft of pavers at 4\" of ¾\" stone runs about 2.5 yards (with dense pack typically below).\u003c\/p\u003e\n\u003ch3\u003eHow Blue-Gray Granite ¾\" compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Gray Granite ¾\":\u003c\/strong\u003e Same size and crushed structure; blue-gray reads cooler with a steel undertone, gray is the classic neutral pick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Blue-Gray Granite ½\":\u003c\/strong\u003e ½\" is the smaller walkway\/detail size. ¾\" is the driveway and base workhorse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Dense Pack ¾\":\u003c\/strong\u003e Dense Pack has fines mixed in for compaction. ¾\" blue-gray is clean for drainage and finish. Common stack: Dense Pack base + ¾\" top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. PA Bluestone:\u003c\/strong\u003e Different products entirely. PA Bluestone is flat sedimentary flagstone for patio surfaces; this is crushed igneous granite for bulk material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs Blue-Gray Granite ¾\" the same as bluestone?\u003c\/strong\u003e\u003cbr\u003eNo — bluestone is a flat flagstone from PA\/NY used for patio surfaces. Blue-Gray Granite is our native Boston-area crushed granite with a blue-gray color profile. Same name family, completely different products.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill Blue-Gray Granite ¾\" stay put in a driveway?\u003c\/strong\u003e\u003cbr\u003eYes. Angular crushed granite is the right pick for driveways — the angular faces lock together so the gravel doesn't migrate under tires or get scattered by a plow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does Blue-Gray Granite ¾\" compare to Gray Granite ¾\"?\u003c\/strong\u003e\u003cbr\u003eIdentical size and crushed structure. Blue-gray has a cooler steel undertone; gray is the neutral classic. Color preference only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Blue-Gray Granite ¾\" under pavers?\u003c\/strong\u003e\u003cbr\u003eYes as the drainage layer, but for the structural base under pavers, use \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e — it has fines mixed in to compact tight. Common stack: Dense Pack below + Blue-Gray ¾\" on top.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of Blue-Gray Granite ¾\" weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,500–2,700 lbs per cubic yard, or roughly 1.25–1.35 tons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver to my town?\u003c\/strong\u003e\u003cbr\u003eSame-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We run blue-gray granite trucks across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\"\u003edense pack ¾\" to minus\u003c\/a\u003e for the compacted base underneath, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/blue-gray-granite-dust\"\u003eblue-gray granite dust\u003c\/a\u003e for the finish layer or paver joint sweep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the workhorse ¾\" stone for driveways, drainage, and patio bases.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is Blue-Gray Granite 3\/4 inch the same as bluestone?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Bluestone is a flat flagstone from PA or NY used for patio surfaces. Blue-Gray Granite is our native Boston-area crushed granite. Same name family, completely different products.\"}},{\"@type\":\"Question\",\"name\":\"Will Blue-Gray Granite 3\/4 inch stay put in a driveway?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Angular crushed granite is the right pick for driveways — the angular faces lock together so the gravel does not migrate under tires or get scattered by a plow.\"}},{\"@type\":\"Question\",\"name\":\"How does Blue-Gray Granite 3\/4 inch compare to Gray Granite 3\/4 inch?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Identical size and crushed structure. Blue-gray has a cooler steel undertone; gray is the neutral classic. Color preference only.\"}},{\"@type\":\"Question\",\"name\":\"Can I use Blue-Gray Granite 3\/4 inch under pavers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes as the drainage layer, but for the structural base under pavers use Dense Pack 3\/4 inch to minus. Common stack: Dense Pack below + Blue-Gray 3\/4 inch on top.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,500 to 2,700 lbs per cubic yard, or roughly 1.25 to 1.35 tons.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver to my town?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\"}}]}\u003c\/script\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46162968903908,"sku":"4023","price":84.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Blue-Stone-Rock-0.75-Inch.png?v=1742512221"},{"product_id":"blue-gray-granite-0-5","title":"Blue-Gray Granite ½\"","description":"\u003cp\u003e\u003cstrong\u003eBlue-Gray Granite ½\" — Mid-Size Crushed Stone in That Classic Blue-Gray Tone\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNative Boston-area blue-gray granite — not to be confused with Pennsylvania\/New York bluestone.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eOur ½\" Blue-Gray Granite is the just-right size for walkways, drip edges, and decorative ground cover — small enough to walk on comfortably, big enough to look intentional rather than gravelly. The signature blue-gray weathers with attitude and pairs well with both modern hardscape and traditional New England stone walls.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue-gray crushed granite, native to the Boston area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e½\" nominal — angular, crushed faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~80 sq ft at 4\" depth, ~100 sq ft at 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,500–2,700 lbs\/yd³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue stone ½\", ½\" crushed blue, walkway gravel, blue-gray crushed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGarden walkways and stepping-stone bed fill\u003c\/li\u003e\n\u003cli\u003eDrip edges around houses and patios\u003c\/li\u003e\n\u003cli\u003eDecorative ground cover in beds and borders\u003c\/li\u003e\n\u003cli\u003eBottom layer in rain gardens and dry creek finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eFor a 3' × 30' garden walkway at 3\" depth, plan on about 0.85 cubic yards. A 200 sq ft drip edge around a foundation at 3\" runs about 1.85 yards. For decorative bed cover, 3\" is the sweet spot — deep enough to suppress weeds, shallow enough to look planned.\u003c\/p\u003e\n\u003ch3\u003eHow Blue-Gray Granite ½\" compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Blue-Gray Granite ⅜\":\u003c\/strong\u003e ⅜\" is finer — better for tight detail work, pot drainage, and joint fill. ½\" is more substantial underfoot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Blue-Gray Granite ¾\":\u003c\/strong\u003e ¾\" is the driveway-and-base workhorse. ½\" is the in-between size for walkways and decorative work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Gray Granite ½\":\u003c\/strong\u003e Same size and crushed structure; blue-gray has a cooler steel undertone, gray reads more neutral. Pure color preference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Pennsylvania Bluestone (the flagstone):\u003c\/strong\u003e Common confusion — PA\/NY bluestone is a flat sedimentary stone used for patios. Our Blue-Gray Granite is a crushed igneous granite used as bulk material. Completely different products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs Blue-Gray Granite the same as bluestone?\u003c\/strong\u003e\u003cbr\u003eNo — and this is the most common mix-up. \"Bluestone\" usually refers to Pennsylvania or New York flagstone slabs used for patio surfaces. Our Blue-Gray Granite is native Boston-area crushed granite with a blue-gray color profile. Different rock, different application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Blue-Gray Granite ½\" used for?\u003c\/strong\u003e\u003cbr\u003eGarden walkways, drip edges around foundations and patios, decorative ground cover in beds, and the bottom layer of rain garden finishes. It is the mid-size pick when ¾\" feels too chunky and ⅜\" feels too fine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the blue-gray color fade?\u003c\/strong\u003e\u003cbr\u003eThe granite holds its color through freeze-thaw cycles and rain. If anything, blue-gray weathers slightly darker over time as the surfaces oxidize — but the cool-toned undertone stays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I walk on it barefoot?\u003c\/strong\u003e\u003cbr\u003e½\" is more comfortable than ¾\" but it's still crushed angular stone. For barefoot paths, smooth \u003ca href=\"https:\/\/ottrsupply.com\/products\/riverbed-0-375\"\u003eRiverbed ⅜\"\u003c\/a\u003e or \u003ca href=\"https:\/\/ottrsupply.com\/products\/riverbed-0-75\"\u003eRiverbed ¾\"\u003c\/a\u003e is the better pick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of Blue-Gray Granite ½\" weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,500–2,700 lbs per cubic yard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver in the Boston area?\u003c\/strong\u003e\u003cbr\u003eYes — same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We deliver blue-gray granite across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/blue-gray-granite-0-375\"\u003eblue-gray granite ⅜\"\u003c\/a\u003e for finer walkways and tighter drainage details, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/blue-gray-granite-0-75\"\u003eblue-gray granite ¾\"\u003c\/a\u003e when a chunkier look is the goal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the right-sized blue-gray granite for walkways, drip edges, and decorative beds.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is Blue-Gray Granite the same as bluestone?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Bluestone usually refers to Pennsylvania or New York flagstone slabs used for patio surfaces. Our Blue-Gray Granite is native Boston-area crushed granite. Different rock, different application.\"}},{\"@type\":\"Question\",\"name\":\"What is Blue-Gray Granite 1\/2 inch used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Garden walkways, drip edges around foundations and patios, decorative ground cover in beds, and the bottom layer of rain garden finishes.\"}},{\"@type\":\"Question\",\"name\":\"Will the blue-gray color fade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The granite holds its color through freeze-thaw cycles and rain. Blue-gray weathers slightly darker over time but the cool-toned undertone stays.\"}},{\"@type\":\"Question\",\"name\":\"Can I walk on it barefoot?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"More comfortable than 3\/4 inch but still crushed angular stone. For barefoot paths, smooth Riverbed 3\/8 inch or 3\/4 inch is the better pick.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,500 to 2,700 lbs per cubic yard.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver in the Boston area?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\"}}]}\u003c\/script\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46162969002212,"sku":"4022","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Blue-Stone-Rock-0.5-Inch.png?v=1742512230"},{"product_id":"paver-sand","title":"Paver Sand","description":"\u003cp\u003e\u003cstrong\u003ePaver Sand — Coarse Washed Sand for Patio Bedding, Walkway Bases \u0026amp; Drainage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur Paver Sand is the larger-grain washed sand contractors and DIYers use specifically under pavers, flagstone, and patio stone. It's the ICPI-spec bedding layer that lets hardscape stay level for years without shifting. Sold loose by the cubic yard, delivered direct to your driveway or job site across Greater Boston. The bigger grain size drains water fast, which is what you want anywhere drainage is part of the install.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoarse-grain washed sand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpec\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenerally aligns with ASTM C33 fine aggregate \/ ICPI paver bedding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~100 sq ft at 3\" depth (or ~300 sq ft at 1\" paver bedding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,600–2,800 lbs\/yd³ (~1.3–1.4 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso known as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eICPI paver bedding sand, bedding sand, hardscape sand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold by\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe cubic yard, bulk dump truck delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat it's good for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePaver bedding\u003c\/strong\u003e — the 1\" leveling layer between your compacted base and the pavers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatio \u0026amp; walkway base sand\u003c\/strong\u003e — under flagstone, bluestone, brick, and stamped concrete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrainage backfill\u003c\/strong\u003e around foundations, French drains, and downspout extensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet-spot remediation\u003c\/strong\u003e in lawns and garden beds where water pools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing into heavy clay topsoil\u003c\/strong\u003e to lighten texture and improve drainage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much paver sand do I need?\u003c\/h3\u003e\n\u003cp\u003eFor a \u003cstrong\u003e12' × 12' paver patio\u003c\/strong\u003e with the standard 1\" sand leveling layer, plan on about \u003cstrong\u003e0.5 cubic yards\u003c\/strong\u003e of paver sand. For a \u003cstrong\u003e30' × 4' walkway\u003c\/strong\u003e, you're looking at \u003cstrong\u003e0.4 cubic yards\u003c\/strong\u003e. For a \u003cstrong\u003eFrench drain trench\u003c\/strong\u003e 50' long × 12\" wide × 18\" deep, roughly \u003cstrong\u003e2.8 cubic yards\u003c\/strong\u003e of drainage backfill.\u003c\/p\u003e\n\u003cp\u003eRule of thumb: 1 cubic yard of paver sand covers about 300 square feet at the standard 1\" bedding depth. Order 10–15% extra to account for compaction and edge work.\u003c\/p\u003e\n\u003ch3\u003ePaver Sand vs Polymeric Sand vs Joint Sand — which do you need?\u003c\/h3\u003e\n\u003cp\u003eThree different sand products do three different jobs in a paver install:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePaver Sand (this product)\u003c\/strong\u003e — the coarse washed bedding layer UNDER the pavers. Goes between the compacted base and the paver itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoint Sand \/ Mason Sand\u003c\/strong\u003e — fine sand swept into the joints BETWEEN pavers. We sell \u003ca href=\"\/products\/mason-sand\"\u003eMason Sand\u003c\/a\u003e for joint work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolymeric Sand\u003c\/strong\u003e — joint sand pre-mixed with binders that activate when wet. Sold in bags by hardscape suppliers; we don't carry it bulk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou need Paver Sand (this) + joint sand for a complete paver install. Plus a compacted base material like our \u003ca href=\"\/products\/dense-pack-075-to-minus\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e underneath for structural support.\u003c\/p\u003e\n\u003ch3\u003eHow Paver Sand compares\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. \u003ca href=\"\/products\/coarse-sand\"\u003eCoarse Sand\u003c\/a\u003e\u003c\/strong\u003e — Coarse Sand is the broader-spec multi-purpose grade for drainage, traction, equestrian footing, and general fill. Paver Sand is the ICPI-spec hardscape bedding grade specifically tuned for paver and flagstone installs. Pick Paver Sand for hardscape; Coarse Sand for everything else.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. \u003ca href=\"\/products\/concrete-sand\"\u003eConcrete Sand\u003c\/a\u003e\u003c\/strong\u003e — Same material family. \"Paver Sand\" is the trade name for the ICPI-spec bedding grade; \"Concrete Sand\" is the formal ASTM C33 spec name for ready-mix and structural use. Functionally close, with Concrete Sand held to a tighter spec sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. \u003ca href=\"\/products\/mason-sand\"\u003eMason Sand\u003c\/a\u003e\u003c\/strong\u003e — Mason sand is finer. Use mason for joints; paver sand for bedding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Stone Dust\u003c\/strong\u003e — Stone dust was the traditional paver bedding material — ICPI guidance now favors paver\/concrete sand because it doesn't shift over time. Stone dust is fine for stepping stones and flagstone in dry-laid applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. \u003ca href=\"\/products\/septic-sand\"\u003eSeptic Sand\u003c\/a\u003e\u003c\/strong\u003e — Septic sand is Title 5-spec for leach fields. Don't substitute for paver bedding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs Paver Sand the same as Coarse Sand?\u003c\/strong\u003e\u003cbr\u003eSame general material family, but the names point at different use cases at our yard. Paver Sand is the ICPI-spec grade we sell specifically for the bedding layer under pavers and flagstone. \u003ca href=\"\/products\/coarse-sand\"\u003eCoarse Sand\u003c\/a\u003e is the broader-spec multi-purpose grade we sell for drainage, traction, footing, and general fill. Pick the one that matches the job.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow thick should paver bedding sand be?\u003c\/strong\u003e\u003cbr\u003e1\" per ICPI guidelines — no more, no less. Thicker beds settle and shift. Always screed level before setting pavers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need geotextile fabric under the paver sand?\u003c\/strong\u003e\u003cbr\u003eRecommended for long-term performance. Fabric goes between the compacted base and the sand layer, preventing sand from migrating down into the base over years of freeze-thaw.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sand for a 12 × 12 paver patio?\u003c\/strong\u003e\u003cbr\u003eAbout 0.5 cubic yards at 1\" bedding depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,600–2,800 lbs per cubic yard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver in the Boston area?\u003c\/strong\u003e\u003cbr\u003eYes — same-day and next-day bulk delivery across Suffolk, Middlesex, Norfolk, and Plymouth Counties.\u003c\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We run paver sand across \u003ca href=\"\/collections\/suffolk-county-landscape-supply\"\u003eSuffolk\u003c\/a\u003e, \u003ca href=\"\/collections\/middlesex-county-landscape-supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"\/collections\/norfolk-county-landscape-supply\"\u003eNorfolk\u003c\/a\u003e, and \u003ca href=\"\/collections\/plymouth-county-landscape-supply\"\u003ePlymouth County\u003c\/a\u003e daily.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"\/products\/concrete-sand\"\u003eConcrete Sand\u003c\/a\u003e when you need an even tighter spec for under-paver bedding, or our \u003ca href=\"\/products\/dense-pack-075-to-minus\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e for the compacted base layer underneath. For non-hardscape applications — drainage, traction, footing, fill — see \u003ca href=\"\/products\/coarse-sand\"\u003eCoarse Sand\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder paver sand today — bulk delivery, no bags, no minimum, the right grain size for the job.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ottr Landscape Supply","offers":[{"title":"Default Title","offer_id":46174450811108,"sku":"2002","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Coarse-Sand.png?v=1743017995"}],"url":"https:\/\/ottrsupply.com\/collections\/french-drain-drainage.oembed","provider":"Ottr Landscape Supply","version":"1.0","type":"link"}