{"product_id":"simpson-strong-tie-lt3514-top-mount-i-joist-hanger","title":"Simpson Strong-Tie LT3514 Top-Mount I-Joist Hanger, 3-1\/2 in. x 14 in. I-joist","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\u003eLT3514 Top-Mount I-Joist Hanger, 3-1\/2 in. x 14 in. I-joist\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eThe LT3514 is an 18-gauge top-mount hanger for a 3-1\/2 in. x 14 in. I-joist. It hooks over the header and secures the I-joist with one or two screws through the seat into the bottom flange.\u003c\/p\u003e\n\u003cp\u003eAccommodates a skew of up to 5 degrees and cannot be field-modified.\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\u003e18-gauge steel, Zinc galvanized, G90 finish\u003c\/li\u003e\n\u003cli\u003eJoist secured with screws through the seat into the bottom flange\u003c\/li\u003e\n\u003cli\u003eOptional triangle nail holes for increased uplift\u003c\/li\u003e\n\u003cli\u003eAccommodates a skew of up to 5 degrees\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eI-joist floor systems hung from LVL, glulam or sawn headers\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\u003eSimpson Strong-Tie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eLT3514\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCarried member\u003c\/th\u003e\n\u003ctd\u003e3-1\/2 in. x 14 in. I-joist\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e18 ga.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWidth (W)\u003c\/th\u003e\n\u003ctd\u003e3-9\/16 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight (H)\u003c\/th\u003e\n\u003ctd\u003e14 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat depth (B)\u003c\/th\u003e\n\u003ctd\u003e2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTop flange (TF)\u003c\/th\u003e\n\u003ctd\u003e1-13\/32 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeader fasteners\u003c\/th\u003e\n\u003ctd\u003e(6) 10d nails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eJoist fasteners\u003c\/th\u003e\n\u003ctd\u003e(2) #8 x 1-1\/4 in. wood screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eZinc galvanized, G90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eDimensions, fastener schedule and allowable loads are from Simpson's catalogue table for the LT3514. Loads vary by lumber species, load duration and nailing option; confirm the value for your design before install.\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\u003eConfirm the header can take every fastener specified.\u003c\/li\u003e\n\u003cli\u003eHook the top flange over the header and nail it with (6) 10d nails.\u003c\/li\u003e\n\u003cli\u003eSeat the I-joist and drive (2) #8 x 1-1\/4 in. wood screws through the seat into the bottom flange.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pb-note\"\u003eFull installation notes, fastener substitutions and load tables:\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\u003eWhich nails do I need?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eHeader: (6) 10d nails. Joist: (2) #8 x 1-1\/4 in. wood screws. Use the exact sizes Simpson specifies; a shorter or thinner nail lowers the allowable load. Simpson's catalogue table lists the load for each nailing option.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it on a pressure-treated deck?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNot this finish. G90 galvanizing is for dry, interior framing. For preservative-treated lumber or exterior exposure, Simpson calls for ZMAX, hot-dip galvanized or stainless steel connectors and matching fasteners. Ask us about the ZMAX or stainless version.\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\/simpson-strong-tie-lt3514-top-mount-i-joist-hanger#product\",\"name\":\"Simpson Strong-Tie LT3514 Top-Mount I-Joist Hanger, 3-1\/2 in. x 14 in. I-joist\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-lt3514-top-mount-i-joist-hanger\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Simpson Strong-Tie\"},\"category\":\"Hardware \u003e Hardware Accessories \u003e Brackets \u0026 Reinforcement Braces\",\"description\":\"Simpson Strong-Tie LT3514 Top-Mount I-joist Hanger for 3-1\/2 in. x 14 in. 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Joist: (2) #8 x 1-1\/4 in. wood screws. Use the exact sizes Simpson specifies; a shorter or thinner nail lowers the allowable load. Simpson's catalogue table lists the load for each nailing option.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it on a pressure-treated deck?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not this finish. G90 galvanizing is for dry, interior framing. For preservative-treated lumber or exterior exposure, Simpson calls for ZMAX, hot-dip galvanized or stainless steel connectors and matching fasteners. Ask us about the ZMAX or stainless version.\"}}]},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-lt3514-top-mount-i-joist-hanger#howto\",\"name\":\"How to install Simpson Strong-Tie LT3514 Top-Mount I-Joist Hanger, 3-1\/2 in. x 14 in. 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