GREAT STUFF PRO Gaps & Cracks Fireblock Foam – 24 oz, Closed-Cell, 12-Pack

GREAT STUFF PRO Gaps & Cracks Polyurethane Foam Sealant is a gun applied solution that expands up to 3 inches to fill irregular gaps around framing, pipes, vents, and electrical runs. It creates a durable, water resistant barrier that helps seal concealed spaces in basements, attics, and other areas where penetrations occur. Made in the USA, this sealant is designed for professional use and helps simplify tough sealing jobs with consistent results.

Key benefits

• USA manufactured: Proudly produced in the United States for reliability on job sites
• Seals gaps up to 3 inches: Fills larger penetrations around framing, pipes, vents, electrical runs, and sill plates to form a water resistant, airtight barrier
• Fireblock rated for code compliance: Orange color helps identify a fire blocking sealant and is designed to slow the spread of flames and smoke in concealed spaces
• Energy loss reduction potential: By reducing air leaks, it may help lower heating and cooling losses when used with proper insulation
• Fast setting and trim ready: Tack free in about 3 to 10 minutes and ready to trim in roughly 60 minutes for efficient project progress

Where to use

Ideal for larger penetrations and gaps in basements, attics, crawlspaces, and around utilities. It seals around pipes, vents, sill plates, and electrical runs while maintaining flexibility to accommodate building movement.

• Around plumbing penetrations and water lines
• Along electrical runs and conduit openings
• At framing joints and sill plates
• Inside concealed spaces that require a fire blocking solution

How to plan your project

This option comes as a 12 count pack of 24 oz cans, designed for professional workflows. Each can is engineered for a fast set and trim finish, helping you move from sealing to finishing with fewer interruptions.

Note: Use in well ventilated areas and follow all label instructions for safety and cleanup. Results depend on clean surfaces, correct application, and appropriate substrate conditions as part of a broader insulation and sealing strategy.