{"product_id":"89-stone","title":"#89 Stone (Crushed Granite)","description":"\u003cp\u003e\u003cstrong\u003e#89 Stone (Crushed Granite) — The Small-Format Spec Stone for Paver Joints \u0026amp; Permeable Bases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e#89 Stone is the ⅜\"-top crushed granite that contractors specify by name for permeable paver joints, walkway finishes, and tight-pack drainage layers. Native Boston-area granite, angular, washed, with a tight ASTM C33 \/ AASHTO M43 No. 89 gradation — small enough to lock pavers, large enough to drain. If a permeable-pavement detail calls for \"#89 joint stone,\" this is it.\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#89 Stone (ASTM C33 \/ AASHTO M43 size No. 89)\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\u003e⅜\" to fine (passes ½\" sieve, retained on #50)\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, clean of fines below #50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2,800 lbs per cubic yard (~1.4 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\u003e89s, AASHTO 89, joint stone, chip stone, permeable paver joint fill, ⅜\" clean\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\u003ePermeable interlocking paver joints (the spec'd \"#89 joint stone\")\u003c\/li\u003e\n\u003cli\u003ePermeable paver leveling course (top of the open-graded base)\u003c\/li\u003e\n\u003cli\u003eWalkway finish layer over a compacted base\u003c\/li\u003e\n\u003cli\u003eFine drainage stone near foundations and small culverts\u003c\/li\u003e\n\u003cli\u003eSeptic system top dressing\u003c\/li\u003e\n\u003cli\u003eDecorative ground cover where a small, uniform stone is wanted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGradation (ASTM C33 \/ AASHTO M43 — Size No. 89)\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\u003e½\" (12.5 mm)\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e⅜\" (9.5 mm)\u003c\/td\u003e\n\u003ctd\u003e90 – 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#4 (4.75 mm)\u003c\/td\u003e\n\u003ctd\u003e20 – 55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#8 (2.36 mm)\u003c\/td\u003e\n\u003ctd\u003e5 – 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#16 (1.18 mm)\u003c\/td\u003e\n\u003ctd\u003e0 – 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#50 (300 µm)\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 permeable paver joints, plan on about ½ cubic yard per 200 sq ft of paver field (after sweeping). For a 2\" leveling course over an open-graded base, plan on about 1.2 yd³ per 200 sq ft. Use the material calculator at the top of the page for custom dimensions, and round up 5–10% for spread loss and re-sweep.\u003c\/p\u003e\n\u003ch3\u003eHow #89 compares to neighboring sizes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e#89 vs. #8:\u003c\/strong\u003e #8 is slightly larger (no #50-fines portion). #89 is the more common \u003cem\u003ejoint\u003c\/em\u003e spec; #8 is the more common \u003cem\u003ebedding\u003c\/em\u003e spec.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#89 vs. #57:\u003c\/strong\u003e #57 is the 1\"-top sibling. Use #57 below #89 in a permeable system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#89 vs. stone dust:\u003c\/strong\u003e Stone dust (#10) has more fines and packs tight. #89 drains. They are \u003cem\u003enot\u003c\/em\u003e interchangeable for permeable installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential equivalent:\u003c\/strong\u003e Same material as our \u003ca href=\"https:\/\/ottrsupply.com\/products\/gray-crushed-rock\" title=\"Gray Crushed Rock 3\/8 inch\"\u003eGray Crushed Rock ⅜\"\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\u003eWhat is #89 stone used for?\u003c\/strong\u003e\u003cbr\u003ePrimarily three jobs: filling the joints on permeable interlocking pavers (PICP), the leveling course directly under permeable pavers, and small-stone drainage near foundations or septic systems. It is the spec'd choice when \"#89 joint stone\" appears on a plan.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use #89 in regular pavers (non-permeable)?\u003c\/strong\u003e\u003cbr\u003eFor traditional pavers, use polymeric sand for joints and concrete sand for bedding. #89 is the right call for \u003cem\u003epermeable\u003c\/em\u003e systems only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does #89 differ from #8 stone?\u003c\/strong\u003e\u003cbr\u003e#89 includes more of the fine-end material (passes through #50 sieve at 0–5%). #8 has a narrower, slightly larger band. Most PICP details accept either, but #89 is what most permeable spec sheets call out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does a cubic yard of #89 stone weigh?\u003c\/strong\u003e\u003cbr\u003eAbout 2,800 lbs per cubic yard, or roughly 1.4 tons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you deliver #89 stone in the Boston area?\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 #89 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\/57-stone\" title=\"#57 Stone\"\u003e#57 Stone\u003c\/a\u003e as the open-graded base layer below, or our \u003ca href=\"https:\/\/ottrsupply.com\/products\/concrete-sand\" title=\"Concrete Sand\"\u003eConcrete Sand\u003c\/a\u003e for traditional paver bedding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder today — the spec'd joint stone for permeable paver systems.\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 #89 stone used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Primarily three jobs: filling the joints on permeable interlocking pavers, the leveling course directly under permeable pavers, and small-stone drainage near foundations or septic systems.\"}},{\"@type\":\"Question\",\"name\":\"Can I use #89 in regular pavers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For traditional pavers, use polymeric sand for joints and concrete sand for bedding. #89 is the right call for permeable systems only.\"}},{\"@type\":\"Question\",\"name\":\"How does #89 differ from #8 stone?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"#89 includes more of the fine-end material (passes through #50 sieve at 0-5%). #8 has a narrower, slightly larger band. Most permeable pavement specs call out #89.\"}},{\"@type\":\"Question\",\"name\":\"How much does a cubic yard of #89 stone weigh?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About 2,800 lbs per cubic yard, or roughly 1.4 tons.\"}},{\"@type\":\"Question\",\"name\":\"Do you deliver #89 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":48928220741860,"sku":"4102","price":75.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8528\/9700\/files\/Crushed-Rock-0.375-Inch_2675ab07-633a-4267-9dff-94dc7cba9c27.png?v=1778808922","url":"https:\/\/ottrsupply.com\/products\/89-stone","provider":"Ottr Landscape Supply","version":"1.0","type":"link"}