The STI Firestop 10.1 Oz SpecSeal SSS Series Firestop Sealant is a premium firestopping solution designed to seal through-penetrations and construction joints in fire-rated walls and floors. This highly effective sealant expands when exposed to heat, preventing the spread of flames, smoke, and toxic gases during a fire. Its easy application and strong adhesion make it ideal for use around cables, pipes, and ducts. Suitable for commercial, industrial, and residential installations, the STI SpecSeal SSS Firestop Sealant provides reliable fire protection and meets stringent safety standards for passive fire containment.
- Patented Two-Stage Intumescent Technology
- Easily works into tight spaces between penetrants
- Compatible with CPVC Piping
- Can be sanded and painted to match its surroundings
- Used in over 500 through-penetration UL® Tested Systems!
