{"product_id":"57-stone","title":"#57 Stone (Crushed Granite)","description":"\u003cp\u003e\u003cstrong\u003e#57 Stone (Crushed Granite) — The Industry-Spec Drainage \u0026amp; Concrete Stone\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e#57 Stone is the named-spec crushed stone every drainage installer, septic contractor, and ready-mix concrete crew calls out by number. Quarried from native Boston-area granite, angular, washed, and gradationally \u003cstrong\u003eclean of fines\u003c\/strong\u003e, it drains fast, locks under load, and meets the ASTM C33 \/ AASHTO M43 No. 57 standard called out on engineered drawings. If a plan sheet says \"57 stone,\" this is the material.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpec name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#57 Stone (ASTM C33 \/ AASHTO M43 size No. 57)\u003c\/td\u003e\n\u003c\/tr\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\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\" to ¼\" (passes 1½\" sieve, retained on #4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComposition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAngular crushed granite, washed, no fines\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 per cubic yard (~1.35 tons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 yd³ covers ~80 sq ft at 4\" depth\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\u003e57s, AASHTO 57, drainage stone, septic stone, ¾\" clean crushed 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\u003eFrench drains, foundation drains, and curtain drains\u003c\/li\u003e\n\u003cli\u003eSeptic system drain fields and leach beds\u003c\/li\u003e\n\u003cli\u003ePipe bedding and backfill around culverts and drainage tile\u003c\/li\u003e\n\u003cli\u003eReady-mix concrete coarse aggregate (when ASTM C33 is specified)\u003c\/li\u003e\n\u003cli\u003ePermeable paver base layers and dry wells\u003c\/li\u003e\n\u003cli\u003eDriveway top dressing where a clean, drainable finish is wanted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGradation (ASTM C33 \/ AASHTO M43 — Size No. 57)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSieve size\u003c\/th\u003e\n\u003cth\u003e% passing\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1½\" (37.5 mm)\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\" (25.0 mm)\u003c\/td\u003e\n\u003ctd\u003e95 – 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e½\" (12.5 mm)\u003c\/td\u003e\n\u003ctd\u003e25 – 60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#4 (4.75 mm)\u003c\/td\u003e\n\u003ctd\u003e0 – 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#8 (2.36 mm)\u003c\/td\u003e\n\u003ctd\u003e0 – 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eFor a 100 ft French drain trench (12\"-wide, 6\" of stone above and below a 4\" pipe), plan on about 3.7 cubic yards. For a 200 sq ft permeable paver base at 6\" depth, plan on about 3.7 cubic yards. Use the material calculator at the top of the page for any custom dimensions — and round up by 5–10% for compaction and overdig.\u003c\/p\u003e\n\u003ch3\u003eHow #57 compares to neighboring sizes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e#57 vs. #67:\u003c\/strong\u003e #57 has a 1\" top size; #67 has a ¾\" top. Both are clean. #57 drains slightly faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#57 vs. #89:\u003c\/strong\u003e #89 is much smaller (⅜\" top). Use #89 where a tighter packing or finer top dressing is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#57 vs. #610:\u003c\/strong\u003e #57 is clean (drains). #610 is dense-graded (compacts solid). Not interchangeable — pick by application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential equivalent:\u003c\/strong\u003e Same material as our \u003ca href=\"https:\/\/ottrsupply.com\/products\/crushed-gray-rock-0-75-inch\" title=\"Gray Crushed Rock 3\/4 inch\"\u003eGray Crushed Rock ¾\"\u003c\/a\u003e — two ways to ask for the same product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs #57 stone the same as ¾\" gravel?\u003c\/strong\u003e\u003cbr\u003eClose, but not exactly. #57 is gradation-controlled to ASTM C33 — it spans 1\" down to ¼\" with no fines. Generic \"¾\" gravel\" varies by yard and may include fines. If your spec sheet says #57, ask for #57.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes #57 stone compact?\u003c\/strong\u003e\u003cbr\u003eBecause there are no fines, #57 doesn't compact in the traditional sense — but its angular granite faces interlock to form a stable, free-draining layer that won't pump or migrate. That's why drainage installers prefer it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use #57 stone under pavers?\u003c\/strong\u003e\u003cbr\u003eYes for \u003cem\u003epermeable\u003c\/em\u003e paver systems where ASTM C33 #57 is the specified open-graded base. For traditional pavers, use \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\" title=\"Dense Pack 3\/4 inch to minus\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e or \u003ca href=\"https:\/\/ottrsupply.com\/products\/610-stone\" title=\"#610 Granite Base\"\u003e#610 Granite Base\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of #57 stone weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,700 lbs per cubic yard, or roughly 1.35 tons. A standard half-ton pickup should not carry more than about a half yard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver #57 stone?\u003c\/strong\u003e\u003cbr\u003eYes — 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\/p\u003e\n\u003cp\u003eSame-day and next-day bulk delivery, no minimum order. We deliver #57 stone across \u003ca href=\"https:\/\/ottrsupply.com\/collections\/suffolk-county-landscape-supply\" title=\"Suffolk County Landscape Supply\"\u003eSuffolk\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/middlesex-county-landscape-supply\" title=\"Middlesex County Landscape Supply\"\u003eMiddlesex\u003c\/a\u003e, \u003ca href=\"https:\/\/ottrsupply.com\/collections\/norfolk-county-landscape-supply\" title=\"Norfolk County Landscape Supply\"\u003eNorfolk\u003c\/a\u003e, and \u003ca href=\"https:\/\/ottrsupply.com\/collections\/plymouth-county-landscape-supply\" title=\"Plymouth County Landscape Supply\"\u003ePlymouth County\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003ca href=\"https:\/\/ottrsupply.com\/products\/concrete-sand\" title=\"Concrete Sand\"\u003eConcrete Sand\u003c\/a\u003e for ASTM C33 bedding, or step up to \u003ca href=\"https:\/\/ottrsupply.com\/products\/dense-pack-075-to-minus\" title=\"Dense Pack\"\u003eDense Pack ¾\" to minus\u003c\/a\u003e when a compacted base is what the job calls for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the industry-spec stone every drainage and septic contractor asks for by name.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is #57 stone the same as 3\/4 inch gravel?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Close, but not exactly. #57 is gradation-controlled to ASTM C33 — it spans 1 inch down to a quarter inch with no fines. Generic 3\/4 inch gravel varies by yard and may include fines. If your spec sheet says #57, ask for #57.\"}},{\"@type\":\"Question\",\"name\":\"Does #57 stone compact?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because there are no fines, #57 does not compact in the traditional sense, but its angular granite faces interlock to form a stable, free-draining layer that will not pump or migrate.\"}},{\"@type\":\"Question\",\"name\":\"Can I use #57 stone under pavers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes for permeable paver systems where ASTM C33 #57 is the specified open-graded base. For traditional pavers, use Dense Pack 3\/4 inch to minus or #610 Granite Base instead.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard of #57 stone weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,700 lbs per cubic yard, or roughly 1.35 tons. A standard half-ton pickup should not carry more than about a half yard.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver #57 stone in the Boston area?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — 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":48928218611940,"sku":"4101","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_3c77ebbc-09a0-4df5-bc21-637e1a02f8f6.png?v=1778808920","url":"https:\/\/ottrsupply.com\/products\/57-stone","provider":"Ottr Landscape Supply","version":"1.0","type":"link"}