STI SpecSeal SSS Intumescent Firestop Sealant Tube | 20oz

STI SpecSeal SSS Intumescent Firestop Sealant Tube | 20oz

The STI SpecSeal® SSS Intumescent Firestop Sealant Tube | 20oz is a high-performance firestop solution designed to seal penetrations and joints in fire-rated walls and floors. Engineered to expand when exposed to heat, this intumescent firestop sealant helps prevent the spread of flames, smoke, and toxic gases through cable and pipe penetrations in critical building assemblies.

Formulated for superior adhesion and flexibility, the SpecSeal SSS sealant bonds effectively to a wide variety of construction materials including metal, concrete, gypsum board, wood, glass, and most plastics. When exposed to fire, the sealant expands to fill gaps and openings, maintaining the integrity of fire-rated barriers and helping buildings remain compliant with fire safety codes.

Packaged in a 20 oz tube for easy application, this firestop sealant is ideal for sealing cable penetrations, conduit openings, and other service penetrations commonly found in telecommunications rooms, data centers, commercial buildings, and institutional facilities.

Key Features

• Intumescent firestop sealant designed for fire-rated wall and floor assemblies
• Expands when exposed to heat to block flames, smoke, and gases
• Excellent adhesion to metal, concrete, drywall, wood, glass, and plastics
• Ideal for cable, conduit, and pipe penetrations
• Helps maintain fire barrier integrity and building code compliance
• 20 oz tube for convenient and efficient application
• Suitable for commercial, industrial, and institutional installations

Protect critical building penetrations with trusted firestop technology. Order the STI SpecSeal SSS Intumescent Firestop Sealant today to ensure your installations meet fire safety standards.