{"id":4067,"date":"2025-09-16T14:58:47","date_gmt":"2025-09-16T06:58:47","guid":{"rendered":"https:\/\/www.t2960.com.sg\/?post_type=product-enquiry&p=4067"},"modified":"2026-08-28T10:24:22","modified_gmt":"2026-08-28T02:24:22","slug":"specseal-sil-silicone-firestop-sealant","status":"publish","type":"product-enquiry","link":"https:\/\/www.t2960.com.sg\/zh\/product-enquiry\/specseal-sil-silicone-firestop-sealant\/","title":{"rendered":"SpecSeal\u00ae SIL Silicone Firestop Sealant"},"content":{"rendered":"
\n

Product Description<\/h3>\n

The STI SpecSeal\u00ae SIL300 Silicone Firestop Sealant<\/strong> is a one-part, neutral-curing silicone firestop sealant<\/strong> designed to control the spread of
\nfire, smoke, toxic gases, and water in fire-rated walls and floors.
\nIt offers superior water resistance<\/strong>, UV stability, and chemical durability, making it ideal for both through penetrations and construction joints<\/strong>.
\nAvailable in non-sag (SIL300)<\/strong> and self-leveling (SIL300SL)<\/strong> grades, it bonds without primers to most substrates and delivers up to 4-hour fire ratings<\/strong>.<\/p>\n

\n

Key Benefits<\/h3>\n
    \n
  • Fire-Rated Protection<\/strong> \u2013 UL Classified; tested to ASTM E814 (UL1479), ASTM E1966 (UL2079), and CAN\/ULC-S115.<\/li>\n
  • Water & Smoke Seal<\/strong> \u2013 Class 1 W-Rating, excellent water and smoke resistance.<\/li>\n
  • Durable & Weather Resistant<\/strong> \u2013 Ozone and UV resistant with long service life.<\/li>\n
  • Dynamic Joint Performance<\/strong> \u2013 \u00b150% movement capability with excellent recovery.<\/li>\n
  • Primerless Adhesion<\/strong> \u2013 Bonds to metals, concrete, masonry, and common building substrates.<\/li>\n
  • Safe & Sustainable<\/strong> \u2013 Non-halogenated, no asbestos or PCB; LEED\u00ae compliant, low VOC.<\/li>\n<\/ul>\n
    \n

    Packaging<\/h3>\n
      \n
    • SIL300<\/strong>: 10.1 oz (300 ml) tube, 24\/case<\/li>\n
    • SIL320<\/strong>: 20 oz (592 ml) sausage, 12\/case<\/li>\n
    • SIL305<\/strong>: 4.5 gallon (17 L) pail<\/li>\n
    • Grades<\/strong>: SIL300 (non-sag), SIL300SL (self-leveling)<\/li>\n
    • Color<\/strong>: Concrete gray<\/li>\n
    • Shelf Life<\/strong>: 18 months from manufacture when stored below 80\u00a0\u00b0F (27\u00a0\u00b0C)<\/li>\n<\/ul>\n<\/div>","protected":false},"featured_media":4068,"template":"","meta":{"_acf_changed":false},"brand":[139],"eproducts-category":[15],"class_list":["post-4067","product-enquiry","type-product-enquiry","status-publish","has-post-thumbnail","hentry","brand-sti","eproducts-category-firestop-solutions"],"acf":[],"yoast_head":"\nSpecSeal\u00ae SIL Silicone Firestop Sealant – T2960<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.t2960.com.sg\/zh\/product-enquiry\/specseal-sil-silicone-firestop-sealant\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SpecSeal\u00ae SIL Silicone Firestop Sealant – T2960\" \/>\n<meta property=\"og:description\" content=\"Product Description The STI SpecSeal\u00ae SIL300 Silicone Firestop Sealant is a one-part, neutral-curing silicone firestop sealant designed to control the spread of fire, smoke, toxic gases, and water in fire-rated walls and floors. 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