

🔥 Seal smart, stay safe, and blend in like a pro!
The STI SSS100 SpecSeal Triple S Intumescent Firestop Sealant is a 10.1 oz water-based, low-VOC paste designed to expand under heat, creating a reliable smoke and gas barrier. It adheres to multiple building materials, dries paintable and sandable for a flawless finish, and also improves soundproofing—making it an essential, eco-conscious firestop solution for modern construction and renovation projects.
| ASIN | B004AFSCLU |
| Best Sellers Rank | #1,583,661 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,800 in Hardware Sealers |
| Brand | STI |
| Color | Red |
| Date First Available | November 2, 2010 |
| Item Form | Paste |
| Item Weight | 1.28 ounces |
| Manufacturer | Specified Technologies |
| Material | Plastic |
| National Stock Number | 8030-01-627-4316 |
| Style | Compact |
| Surface Recommendation | Drywall |
| UPC | 610373766252 |
| Unit Count | 10.1 Ounce |
| Water Resistance Level | Waterproof |
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