{"product_id":"willseal-seismic-hs-horizontal","title":"Tremco Willseal Seismic HS Horizontal Expansion Seal","description":"\u003cstyle\u003e.product-info buy-buttons,.product-info price-list,.product-info shopify-payment-terms,.product-info quantity-selector,.product-info .quantity-selector{display:none !important;}\u003c\/style\u003e\u003cdiv style=\"background:#1C4F8A;border:1px solid #14263F;border-radius:6px;padding:14px 18px;margin:0 0 18px 0;\"\u003e\n\u003cp style=\"margin:0;font-size:1.02em;color:#ffffff;\"\u003e\u003cstrong\u003e📐 Project-Quoted Product — North Vancouver, BC.\u003c\/strong\u003e Expansion joint systems are sized to your joint width, depth and run length and priced per project. Send us your joint schedule and we confirm pricing and lead time within one business day. Call \u003ca href=\"tel:2502333000\" style=\"color:#ffffff;font-weight:bold;text-decoration:underline;\"\u003e250-233-3000\u003c\/a\u003e or \u003ca href=\"\/pages\/request-a-quote\" style=\"color:#ffffff;font-weight:bold;text-decoration:underline;\"\u003erequest a project quote\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp style=\"margin:12px 0 0;\"\u003e\u003ca href=\"\/pages\/request-a-quote\" style=\"display:inline-block;background:#D6A52A;color:#14263F;font-weight:bold;text-transform:uppercase;letter-spacing:.05em;padding:12px 26px;border-radius:4px;text-decoration:none;\"\u003eRequest a Project Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color:#1C4F8A;margin-top:0;\"\u003eWillseal Seismic HS — Horizontal Expansion Seal\u003c\/h2\u003e\n\u003cp style=\"font-size:1.08em;color:#333;\"\u003e\u003cstrong\u003ePre-compressed, silicone-faced foam seal for horizontal seismic and construction joints\u003c\/strong\u003e | Brand: Tremco (Willseal) | Model: Willseal Seismic HS\u003c\/p\u003e\n\u003cp style=\"font-size:1.02em;color:#444;\"\u003eWillseal Seismic HS is the horizontal counterpart to Willseal Seismic: a pre-compressed, open micro-cell polyurethane foam seal with acrylic impregnation and a factory-applied silicone face in standard Spectrem colours. Browse the full \u003ca href=\"\/collections\/trem\" style=\"color:#1C4F8A;\"\u003eTremco range\u003c\/a\u003e at Canopus Supply.\u003c\/p\u003e\n\u003cdiv style=\"border-left:4px solid #1C4F8A;background:#eef4fa;padding:14px 18px;margin:18px 0;border-radius:4px;\"\u003e\n\u003cstrong style=\"color:#1C4F8A;\"\u003eProfessional note:\u003c\/strong\u003e Seismic HS handles ±50% movement at rapid rates in horizontal joints from 1\/2 in. to 4 in., with a maximum compression set of 2.5%.\u003c\/div\u003e\n\u003ch2 style=\"color:#1C4F8A;\"\u003ePerformance Highlights\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:8px 0;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#eef4fa;\"\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eMovement Capability\u003c\/strong\u003e\u003cbr\u003e±50% at rapid rates\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eJoint Sizes\u003c\/strong\u003e\u003cbr\u003e1\/2 in. to 4 in. (6.5 ft sticks, custom available)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eCompression Set\u003c\/strong\u003e\u003cbr\u003e2.5% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#eef4fa;\"\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eTensile \/ Elongation\u003c\/strong\u003e\u003cbr\u003e21 psi min \/ 125% ±20% (ASTM D3574)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eAcoustics\u003c\/strong\u003e\u003cbr\u003eSTC 54\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #c9d6e5;padding:10px;\"\u003e\n\u003cstrong\u003eThermal Conductivity\u003c\/strong\u003e\u003cbr\u003e0.05 W\/m·°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2 style=\"color:#1C4F8A;\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal construction joints\u003c\/li\u003e\n\u003cli\u003eRetrofit and seismic joints\u003c\/li\u003e\n\u003cli\u003ePrecast floor-to-wall joints\u003c\/li\u003e\n\u003cli\u003eExterior panel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color:#1C4F8A;\"\u003eLimitations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAvoid contact with hydrocarbon solvents and corrosive chemicals; confirm against the current TDS.\u003c\/li\u003e\n\u003cli\u003eSubstrates must be clean, dry and sound; confirm against the current TDS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color:#1C4F8A;\"\u003eHealth \u0026amp; Safety\u003c\/h2\u003e\n\u003cp\u003eThe Safety Data Sheet for Willseal Seismic HS is aligned with GHS requirements. Refer to the manufacturer's Safety Data Sheet for complete information.\u003c\/p\u003e\n\u003cdiv style=\"border-left:4px solid #1C4F8A;background:#eef4fa;padding:12px 18px;margin:16px 0;border-radius:4px;\"\u003e\n\u003cstrong\u003ePurchasing Note:\u003c\/strong\u003e All sales are intended for professional and trade purchasers. Expansion joint products are ordered to project-specific sizes — confirm joint width, depth, movement class, quantity and delivery requirements when requesting your quote. Product use and installation are the responsibility of the purchaser and installer.\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #1C4F8A;background:#eef4fa;padding:12px 18px;margin:16px 0;border-radius:4px;\"\u003e\u003cspan style=\"color:#444;\"\u003eSizing an expansion joint? \u003ca href=\"\/pages\/contact-us\" style=\"color:#1C4F8A;font-weight:bold;\"\u003eContact Canopus Supply\u003c\/a\u003e — \u003ca href=\"tel:2502333000\" style=\"color:#1C4F8A;\"\u003e250-233-3000\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"font-size:0.9em;color:#555;\"\u003e\u003cstrong style=\"color:#1C4F8A;\"\u003eTremco\u003c\/strong\u003e — Professional Sealants \u0026amp; Waterproofing Systems\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#777;\"\u003e\u003cem\u003eTechnical information is provided for professional reference only. Product selection, joint sizing, substrate preparation, application and final performance remain the responsibility of the purchaser, installer and project specifier. Always confirm against the current TDS, SDS, project specification and site conditions before use.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#777;\"\u003e\u003cem\u003eAvailable at Canopus Supply — North Vancouver, BC. Authorized distributor in British Columbia.\u003c\/em\u003e\u003c\/p\u003e","brand":"Tremco","offers":[{"title":"Default Title","offer_id":52134370672860,"sku":"WILLSEAL-SEISMIC-HS","price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/9483\/8195\/files\/unnamed_50677f2c-97ba-48f1-a725-ad7a20b224a8.jpg?v=1785367290","url":"https:\/\/www.canopussupply.com\/products\/willseal-seismic-hs-horizontal","provider":"Canopus Supply Inc","version":"1.0","type":"link"}