Firestop Expanding Foam Sealant 12 oz – Everkem FlameTech

High Demand Item – Frequently Reordered by Contractors

The Everkem FlameTech FB Fireblocking Foam is a one-component, expanding polyurethane foam formulated for fireblocking and firestop applications in wall and floor penetrations. Once applied, it expands to fill voids and gaps in fire-rated assemblies, providing a barrier against fire and smoke spread. Fast application with a standard foam gun — built for contractors working commercial and residential firestop installs.

Applications

• Fireblocking in wood-frame construction
• Pipe, cable, and conduit penetrations
• Gap filling in fire-rated wall and floor assemblies
• Commercial and residential construction
• Retrofit and maintenance installs

Key Features

• One-component expanding foam — no mixing required
• Fills and seals irregular gaps and voids
• Fire and smoke barrier performance
• Compatible with standard foam dispensing guns
• Fast cure for efficient jobsite use

Frequently Asked Questions

Is this UL listed?

Designed for fireblocking applications — verify listing requirements for your specific assembly.

What gun does this use?

Compatible with standard polyurethane foam dispensing guns.

Can it be trimmed after curing?

Yes. Cured foam can be trimmed flush with a utility knife.

What is the expansion ratio?

Refer to the product data sheet for specific expansion characteristics.

Why Contractors Choose This Product

• UL classified for commercial firestop applications
• Reliable fire and smoke protection at penetrations and joints
• Fast application reduces time on each firestop install
• Trusted by contractors and passes inspector review
• Bulk pricing available for large projects

Built for commercial and residential firestop applications, this expanding foam provides reliable fire and smoke protection at penetrations and gaps. Ships same day.

Ideal for contractors and construction professionals requiring fast, reliable fireblocking and firestop foam solutions.