Description
About This Product
Spray Foam Insulation R-4 Standard Fireblock is specially formulated to seal service penetrations and block air movement in concealed spaces where fire resistance is critical. This 12 oz. can covers up to 6 sq. ft., expanding to fill gaps around pipes, wires, and ducts. With an R-value of 4 per inch, it provides thermal insulation while helping to slow the spread of flames, smoke, and toxic gases in the event of a fire.
Key Features
- Provides up to 6 sq. ft. of coverage per 12 oz. can
- R-value of 4 per inch for dependable thermal insulation
- Formulated to block air movement and slow fire spread
- Ideal for sealing penetrations around pipes, cables, and ducts
- Dries tack-free in minutes; cured foam is paintable and sandable
- Suitable for interior use in fire-rated construction applications
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