{"product_id":"3-inch-x-12-inch-rough-brown-pressure-treated-lumber","title":"3\" x 12\" MicroPro Sienna Rough Brown Pressure Treated Lumber","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003e3\" x 12\" MicroPro Sienna Rough Brown Pressure Treated Lumber\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003e3 in. x 12 in. rough-sawn #2 \u0026amp; Better lumber, pressure treated with MicroPro Sienna, which gives the wood its warm brown colour. It is rated for above ground use, ground contact and freshwater contact, and comes in 12 ft. and 16 ft. lengths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRough, not an appearance grade.\u003c\/strong\u003e #2 \u0026amp; Better treated lumber has knots, wane and natural colour variation. If you need a cleaner face for a visible build, ask us about other grades.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eRough-sawn #2 \u0026amp; Better grade softwood, 3 in. x 12 in.\u003c\/li\u003e\n\u003cli\u003eApproved for above ground, in-ground contact and freshwater use\u003c\/li\u003e\n\u003cli\u003eMeets CSA standards for building code compliance\u003c\/li\u003e\n\u003cli\u003eNo more corrosive to metal than untreated wood, and approved for aluminum contact above ground\u003c\/li\u003e\n\u003cli\u003eFungal decay and termite protection, backed by a Lifetime Residential Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRetaining walls and landscape structures\u003c\/li\u003e\n\u003cli\u003eHeavy deck beams and stair stringers\u003c\/li\u003e\n\u003cli\u003eRaised beds and landscape sleepers\u003c\/li\u003e\n\u003cli\u003eDocks and freshwater structures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMicroPro Sienna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eMicroPro, brown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSize\u003c\/th\u003e\n\u003ctd\u003e3 in. x 12 in., rough\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLengths\u003c\/th\u003e\n\u003ctd\u003e12 ft. and 16 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGrade\u003c\/th\u003e\n\u003ctd\u003e#2 \u0026amp; Better, not an appearance grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eUse Rating\u003c\/th\u003e\n\u003ctd\u003eAbove ground, ground contact, freshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLifetime Residential Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eTreatment, use rating and warranty terms are as published in the MicroPro Sienna consumer brochure. Warranty coverage depends on following the cut-end treatment and fastener requirements in the brochure. Source: \u003ca href=\"https:\/\/mcmunnandyates.com\/media\/productattach\/m\/i\/microprosienna-2021-4x9-consumer-brochure-5panels-e.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMicroPro Sienna consumer brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eHow to Install\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003col\u003e\n\u003cli\u003eUse ground contact rated wood anywhere it touches soil or stays wet. Above ground wood should not be used in ground contact.\u003c\/li\u003e\n\u003cli\u003eWear a dust mask, goggles and gloves when cutting or sanding, and wash exposed skin afterward.\u003c\/li\u003e\n\u003cli\u003eBrush two coats of copper naphthenate end-cut preservative on all cuts and drilled holes for ground contact. Above ground, use a brush-on end-cut preservative.\u003c\/li\u003e\n\u003cli\u003eUse exterior-rated fasteners and hardware that suit the environment and meet code.\u003c\/li\u003e\n\u003cli\u003eApply stain or water repellent once the wood is dry to the touch. Sprinkle water on it: if it soaks in, it is ready.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pb-note\"\u003eSkipping the cut-end treatment voids the warranty. Source: \u003ca href=\"https:\/\/mcmunnandyates.com\/media\/productattach\/m\/i\/microprosienna-2021-4x9-consumer-brochure-5panels-e.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMicroPro Sienna consumer brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eIs it rated for ground contact?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes. MicroPro Sienna is approved for above ground, in-ground contact and freshwater use.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWill the brown colour last?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. The brown fades to a soft tan and eventually grey in sun. A semi-transparent stain or a water repellent with toner slows it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it against aluminum?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes, above ground where the wood is not constantly wet. Do not use it with aluminum where water stands, such as hot tubs or pools.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eIs this an appearance grade?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. #2 \u0026amp; Better is a structural grade with knots and natural variation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/3-inch-x-12-inch-rough-brown-pressure-treated-lumber#product\",\"name\":\"3\\\" x 12\\\" MicroPro Sienna Rough Brown Pressure Treated Lumber\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/3-inch-x-12-inch-rough-brown-pressure-treated-lumber\",\"brand\":{\"@type\":\"Brand\",\"name\":\"MicroPro Sienna\"},\"category\":\"Hardware \u003e Building Materials \u003e Lumber \u0026 Sheet Stock \u003e Softwood Lumber\",\"description\":\"3 x 12 MicroPro Sienna rough brown pressure treated lumber, #2 \u0026 Better, in 12 ft. and 16 ft. lengths. Rated for ground contact and freshwater use.\",\"material\":\"Pressure treated softwood lumber\",\"image\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/products\/4x6brownpressuretreatedlumber.jpg?v=1670024313\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"MicroPro Sienna\"},{\"@type\":\"PropertyValue\",\"name\":\"Treatment\",\"value\":\"MicroPro, brown\"},{\"@type\":\"PropertyValue\",\"name\":\"Size\",\"value\":\"3 in. x 12 in., rough\"},{\"@type\":\"PropertyValue\",\"name\":\"Lengths\",\"value\":\"12 ft. and 16 ft.\"},{\"@type\":\"PropertyValue\",\"name\":\"Grade\",\"value\":\"#2 \u0026 Better, not an appearance grade\"},{\"@type\":\"PropertyValue\",\"name\":\"Use Rating\",\"value\":\"Above ground, ground contact, freshwater\"},{\"@type\":\"PropertyValue\",\"name\":\"Warranty\",\"value\":\"Lifetime Residential Limited Warranty\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/3-inch-x-12-inch-rough-brown-pressure-treated-lumber#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is it rated for ground contact?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. MicroPro Sienna is approved for above ground, in-ground contact and freshwater use.\"}},{\"@type\":\"Question\",\"name\":\"Will the brown colour last?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The brown fades to a soft tan and eventually grey in sun. A semi-transparent stain or a water repellent with toner slows it.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it against aluminum?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, above ground where the wood is not constantly wet. Do not use it with aluminum where water stands, such as hot tubs or pools.\"}},{\"@type\":\"Question\",\"name\":\"Is this an appearance grade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. #2 \u0026 Better is a structural grade with knots and natural variation.\"}}]},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/3-inch-x-12-inch-rough-brown-pressure-treated-lumber#howto\",\"name\":\"How to install 3\\\" x 12\\\" MicroPro Sienna Rough Brown Pressure Treated Lumber\",\"supply\":[{\"@type\":\"HowToSupply\",\"name\":\"3\\\" x 12\\\" MicroPro Sienna Rough Brown Pressure Treated Lumber\"}],\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"name\":\"Match the wood to the use\",\"text\":\"Use ground contact rated wood anywhere it touches soil or stays wet. Above ground wood should not be used in ground contact.\"},{\"@type\":\"HowToStep\",\"position\":2,\"name\":\"Wear protection when cutting\",\"text\":\"Wear a dust mask, goggles and gloves when cutting or sanding, and wash exposed skin afterward.\"},{\"@type\":\"HowToStep\",\"position\":3,\"name\":\"Treat every cut end\",\"text\":\"Brush two coats of copper naphthenate end-cut preservative on all cuts and drilled holes for ground contact. Above ground, use a brush-on end-cut preservative.\"},{\"@type\":\"HowToStep\",\"position\":4,\"name\":\"Use rated fasteners\",\"text\":\"Use exterior-rated fasteners and hardware that suit the environment and meet code.\"},{\"@type\":\"HowToStep\",\"position\":5,\"name\":\"Finish when dry\",\"text\":\"Apply stain or water repellent once the wood is dry to the touch. 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