{"product_id":"2x6-no-3-spf-kdht-s4s-dimensional-lumber","title":"2\" x 6\" #3 Grade SPF KDHT S4S Dimensional 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\u003e2\" x 6\" #3 Grade SPF KDHT S4S Dimensional Lumber\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eThis is a 2x6 in #3 grade SPF (spruce-pine-fir), kiln dried and heat treated (KDHT) and surfaced smooth on all four sides (S4S). It measures 1-1\/2 in. x 5-1\/2 in. actual and comes in 8 and 16 ft lengths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#3 is the lowest of the structural light framing grades, below #2.\u003c\/strong\u003e It allows larger and more frequent knots and defects, so it suits blocking, bracing, forming, crating and general jobs where a #2 and better board is not needed. For load-bearing framing, choose a #2 and better 2x6 and confirm what your building inspector requires.\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\u003e#3 grade SPF, an economy framing grade that keeps the cost of general-purpose 2x6 stock down\u003c\/li\u003e\n\u003cli\u003eSPF is a species group of spruce, pine and fir, light in weight and easy to cut and nail\u003c\/li\u003e\n\u003cli\u003eKiln dried to 19% moisture content or less, so it arrives drier and more stable than green lumber\u003c\/li\u003e\n\u003cli\u003eHeat treated (KD-HT) to a core temperature of at least 56 C for a minimum of 30 minutes\u003c\/li\u003e\n\u003cli\u003eSurfaced smooth on all four sides (S4S) for a consistent 1-1\/2 in. x 5-1\/2 in. actual size\u003c\/li\u003e\n\u003cli\u003eNot pressure treated, so keep it dry and out of ground contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlocking, bridging and bracing between framing members\u003c\/li\u003e\n\u003cli\u003eTemporary framing, concrete form backing and job-site bracing\u003c\/li\u003e\n\u003cli\u003eCrating, pallets and shipping frames\u003c\/li\u003e\n\u003cli\u003eGarage shelving, workbench tops and shop projects\u003c\/li\u003e\n\u003cli\u003eShort cut-offs and fillers where grade and appearance do not matter\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\"\u003eProduct\u003c\/th\u003e\n\u003ctd\u003e2x6 #3 SPF, KDHT, S4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpecies\u003c\/th\u003e\n\u003ctd\u003eSPF (spruce-pine-fir)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGrade\u003c\/th\u003e\n\u003ctd\u003e#3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNominal size\u003c\/th\u003e\n\u003ctd\u003e2 in. x 6 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eActual size\u003c\/th\u003e\n\u003ctd\u003e1-1\/2 in. x 5-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAvailable lengths\u003c\/th\u003e\n\u003ctd\u003e8 and 16 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMoisture content\u003c\/th\u003e\n\u003ctd\u003eKiln dried, 19% maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeat treatment\u003c\/th\u003e\n\u003ctd\u003eKD-HT, core temperature of at least 56 C for 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSurfacing\u003c\/th\u003e\n\u003ctd\u003eS4S, surfaced on four sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePressure treated\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eGrade, species and heat-treatment marks are stamped on each board and are the governing record for the piece you receive. KD-HT lumber is dried to 19% moisture content or less and heated to a core temperature of at least 56 C for 30 minutes.\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\u003eCan I use #3 grade for framing?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNot for load-bearing framing unless your building inspector or engineer accepts it. #3 is graded below No. 2 and allows larger and more frequent defects. Use a #2 and better 2x6 for joists, rafters and headers, and keep #3 for blocking, bracing, forming and general work.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhat does KDHT mean?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eKDHT means kiln dried and heat treated. The board is dried to 19% moisture content or less and heated to a core temperature of at least 56 C for a minimum of 30 minutes. It is a heat process, not a chemical preservative treatment.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhat is SPF?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eSPF is a commercial species group of spruce, pine and fir. The wood is light and easy to work, and it is graded and sold together as one group.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhat is the actual size of a 2x6?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eA 2x6 measures 1-1\/2 in. x 5-1\/2 in. once surfaced. The 2 in. x 6 in. name is the nominal size from before the board was dried and planed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it outside?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eOnly for short-term or covered use. It is not pressure treated, so it will rot in ground contact or constant wet. For outdoor and ground-contact jobs, choose pressure treated lumber.\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\/2x6-no-3-spf-kdht-s4s-dimensional-lumber#product\",\"name\":\"2\\\" x 6\\\" #3 Grade SPF KDHT S4S Dimensional Lumber\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/2x6-no-3-spf-kdht-s4s-dimensional-lumber\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Griff\"},\"category\":\"Hardware \u003e Building Materials \u003e Lumber \u0026 Sheet Stock\",\"description\":\"2x6 #3 grade SPF lumber, kiln dried and heat treated, surfaced four sides. Actual size 1-1\/2\\\" x 5-1\/2\\\". Sold in 8 and 16 ft lengths.\",\"material\":\"SPF (spruce-pine-fir), kiln dried and heat treated\",\"image\":\"\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Product\",\"value\":\"2x6 #3 SPF, KDHT, S4S\"},{\"@type\":\"PropertyValue\",\"name\":\"Species\",\"value\":\"SPF (spruce-pine-fir)\"},{\"@type\":\"PropertyValue\",\"name\":\"Grade\",\"value\":\"#3\"},{\"@type\":\"PropertyValue\",\"name\":\"Nominal size\",\"value\":\"2 in. x 6 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Actual size\",\"value\":\"1-1\/2 in. x 5-1\/2 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Available lengths\",\"value\":\"8 and 16 ft\"},{\"@type\":\"PropertyValue\",\"name\":\"Moisture content\",\"value\":\"Kiln dried, 19% maximum\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat treatment\",\"value\":\"KD-HT, core temperature of at least 56 C for 30 minutes\"},{\"@type\":\"PropertyValue\",\"name\":\"Surfacing\",\"value\":\"S4S, surfaced on four sides\"},{\"@type\":\"PropertyValue\",\"name\":\"Pressure treated\",\"value\":\"No\"},{\"@type\":\"PropertyValue\",\"name\":\"Nominal size\",\"value\":\"2 in. x 6 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Pressure treated\",\"value\":\"No\"}],\"isRelatedTo\":[{\"@type\":\"Product\",\"name\":\"2\\\" x 4\\\" Utility\/#3 Grade SPF KDHT S4S Dimensional Lumber\"},{\"@type\":\"Product\",\"name\":\"2\\\" x 4\\\" Hiline #1 Premium Grade SPF KDHT S4S Dimensional Lumber\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/2x6-no-3-spf-kdht-s4s-dimensional-lumber#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can I use #3 grade for framing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not for load-bearing framing unless your building inspector or engineer accepts it. #3 is graded below No. 2 and allows larger and more frequent defects. Use a #2 and better 2x6 for joists, rafters and headers, and keep #3 for blocking, bracing, forming and general work.\"}},{\"@type\":\"Question\",\"name\":\"What does KDHT mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"KDHT means kiln dried and heat treated. The board is dried to 19% moisture content or less and heated to a core temperature of at least 56 C for a minimum of 30 minutes. It is a heat process, not a chemical preservative treatment.\"}},{\"@type\":\"Question\",\"name\":\"What is SPF?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SPF is a commercial species group of spruce, pine and fir. The wood is light and easy to work, and it is graded and sold together as one group.\"}},{\"@type\":\"Question\",\"name\":\"What is the actual size of a 2x6?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 2x6 measures 1-1\/2 in. x 5-1\/2 in. once surfaced. The 2 in. x 6 in. name is the nominal size from before the board was dried and planed.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it outside?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only for short-term or covered use. It is not pressure treated, so it will rot in ground contact or constant wet. For outdoor and ground-contact jobs, choose pressure treated lumber.\"}}]}]}\u003c\/script\u003e","brand":"Griff","offers":[{"title":"8 ft","offer_id":67836532556095,"sku":"02063SK408","price":4.2,"currency_code":"CAD","in_stock":false},{"title":"16 ft","offer_id":67836532588863,"sku":"02063SK416","price":10.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/exec-604a34d5-fe48-4333-8565-06c8fa78fc97.png?v=1793223443","url":"https:\/\/griffbuildingsupplies.com\/fa\/products\/2x6-no-3-spf-kdht-s4s-dimensional-lumber","provider":"Griff Building Supplies","version":"1.0","type":"link"}