{"product_id":"resisto-joist-guard-4-x-75","title":"RESISTO Joist Guard Self-Adhesive Waterproof Membrane - 4\" x 75'","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\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eRESISTO Joist Guard Self-Adhesive Waterproof Membrane - 4\" x 75'\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eJoist Guard is Resisto's self-adhesive membrane for the tops of deck and balcony joists, rim joists and beams. It's an elastomeric SBS bitumen core laminated to a black polyethylene face, and it stops the rot that starts where deck boards trap moisture against exposed wood.\u003c\/p\u003e\n\u003cp\u003ePeel back the silicone release film and press the membrane onto clean, dry lumber with a roller. It self-seals around screws and nails as they're driven through it, so the fastener holes from the decking don't undo the waterproofing.\u003c\/p\u003e\n\u003cp\u003eThis 4 in. wide roll suits standard 2 in. joists. Doubled joists, wider beams or a wall-to-deck ledger connection need the 9 in. wide roll instead. It isn't designed for roofing.\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\u003eElastomeric SBS bitumen core stays flexible rather than cracking as the joist moves with temperature and moisture\u003c\/li\u003e\n\u003cli\u003eSelf-seals around deck screws and nails as they're driven through it\u003c\/li\u003e\n\u003cli\u003eSilicone release film peels off in one piece for a clean, fast application\u003c\/li\u003e\n\u003cli\u003eCompatible with pressure-treated wood and composite decking\u003c\/li\u003e\n\u003cli\u003eMade in Canada\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWaterproofing the tops of deck and balcony joists before decking goes down\u003c\/li\u003e\n\u003cli\u003eProtecting rim joists and beams from splash-back and standing water\u003c\/li\u003e\n\u003cli\u003eNew deck builds and joist replacements on existing decks\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\"\u003eSKU \/ Model No.\u003c\/th\u003e\n\u003ctd\u003e10099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eRESISTO (Soprema)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSBS modified bitumen core, polyethylene face, silicone release film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength\u003c\/th\u003e\n\u003ctd\u003e75 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCoverage per Roll\u003c\/th\u003e\n\u003ctd\u003e25 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.6 mm (24 mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eService Temperature Range\u003c\/th\u003e\n\u003ctd\u003e-45 to 85 degrees C (-49 to 185 degrees F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum Application Temperature\u003c\/th\u003e\n\u003ctd\u003e-10 degrees C (14 degrees F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRoofing Use\u003c\/th\u003e\n\u003ctd\u003eNot rated for roof applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eStore the roll above 10 degrees C before installing if it's been kept somewhere cold; the adhesive won't grip properly straight out of the cold.\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\u003eClean the top of the joist so it's dry and free of dust, sawdust, grease or other debris.\u003c\/li\u003e\n\u003cli\u003eCut the membrane to length with a utility knife, adding a couple of inches for any overlap at joints.\u003c\/li\u003e\n\u003cli\u003ePeel back the silicone release film a section at a time and press the membrane onto the joist, working from one end.\u003c\/li\u003e\n\u003cli\u003eGo over the full length with a hand roller so it bonds flat with no air pockets.\u003c\/li\u003e\n\u003cli\u003eInstall the deck boards within 48 hours of applying the membrane.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pb-note\"\u003eFor doubled joists, wider beams or a wall-to-deck ledger connection, use the 9 in. wide roll instead of this 4 in. roll.\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\u003eWhat size joists does the 4 inch roll fit?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eStandard single 2x lumber joists. For doubled joists, wider beams or the wall-to-deck ledger joint, use the 9 in. wide roll instead.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I install it in cold weather?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eDown to -10 degrees C. If the roll has been stored somewhere cold, let it warm above 10 degrees C first or the adhesive won't grip well.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eHow long can the joists sit before I put the decking down?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eCover them with decking within 48 hours of applying the membrane.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eDoes it work under composite decking?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes, it's compatible with both pressure-treated wood and composite decking.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWill it still seal once I've screwed the decking down through it?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes, the membrane self-seals around screws and nails as they're driven through it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it on a roof?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo, Joist Guard is not designed for roofing applications.\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\/resisto-joist-guard-4-x-75#product\",\"name\":\"RESISTO Joist Guard Self-Adhesive Waterproof Membrane - 4\\\" x 75'\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/resisto-joist-guard-4-x-75\",\"sku\":\"10099\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Resisto\"},\"category\":\"Hardware \u003e Building Materials\",\"description\":\"RESISTO Joist Guard self-adhesive membrane protects deck and balcony joists from rot. 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For doubled joists, wider beams or the wall-to-deck ledger joint, use the 9 in. wide roll instead.\"}},{\"@type\":\"Question\",\"name\":\"Can I install it in cold weather?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Down to -10 degrees C. If the roll has been stored somewhere cold, let it warm above 10 degrees C first or the adhesive won't grip well.\"}},{\"@type\":\"Question\",\"name\":\"How long can the joists sit before I put the decking down?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cover them with decking within 48 hours of applying the membrane.\"}},{\"@type\":\"Question\",\"name\":\"Does it work under composite decking?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it's compatible with both pressure-treated wood and composite decking.\"}},{\"@type\":\"Question\",\"name\":\"Will it still seal once I've screwed the decking down through it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the membrane self-seals around screws and nails as they're driven through it.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it on a roof?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, Joist Guard is not designed for roofing applications.\"}}]},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/resisto-joist-guard-4-x-75#howto\",\"name\":\"How to install RESISTO Joist Guard\",\"tool\":[{\"@type\":\"HowToTool\",\"name\":\"Utility knife\"},{\"@type\":\"HowToTool\",\"name\":\"Tape measure\"},{\"@type\":\"HowToTool\",\"name\":\"Hand roller\"}],\"supply\":[{\"@type\":\"HowToSupply\",\"name\":\"RESISTO Joist Guard Self-Adhesive Waterproof Membrane - 4\\\" x 75'\"}],\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"name\":\"Prepare the joist\",\"text\":\"Clean the top of the joist so it is dry and free of dust, sawdust, grease or other contaminants. The membrane won't bond to a dirty or wet surface.\"},{\"@type\":\"HowToStep\",\"position\":2,\"name\":\"Cut the membrane to length\",\"text\":\"Measure the joist and cut the roll with a utility knife, adding a couple of inches if you're overlapping at a joint.\"},{\"@type\":\"HowToStep\",\"position\":3,\"name\":\"Peel and place\",\"text\":\"Peel back the silicone release film a section at a time and press the membrane onto the joist, working from one end so you're not fighting the roll.\"},{\"@type\":\"HowToStep\",\"position\":4,\"name\":\"Roll it flat\",\"text\":\"Go over the full length with a hand roller so the membrane bonds flat with no air pockets, paying attention to any high spots or knots.\"},{\"@type\":\"HowToStep\",\"position\":5,\"name\":\"Deck within 48 hours\",\"text\":\"Install the deck boards within 48 hours of applying the membrane.\"}]}]}\u003c\/script\u003e","brand":"Resisto","offers":[{"title":"Default Title","offer_id":55126271492415,"sku":"10099","price":34.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/Joist_Guard_Protective_Tape_Roll.png?v=1787086818","url":"https:\/\/griffbuildingsupplies.com\/products\/resisto-joist-guard-4-x-75","provider":"Griff Building Supplies","version":"1.0","type":"link"}