Non-hardening putty pad is designed to seal around electrical boxes and certain penetrations to help resist the spread of fire, smoke, and hot gases. The SSP4S version is a 7.25" x 7.25" x 3/16" pad intended for easy hand application, retrofit work, and sound attenuation in rated wall assemblies.
Features
Non-hardening, intumescent firestop pad for electrical boxes and certain through-penetration or membrane-penetration conditions.
Helps reduce sound transmission; tested at STC 62 in specific construction
Tested to ASTM E814 (UL 1479), CAN/ULC-S115, and UL 263 (ASTM E119/NFPA 251); certified for up to 2-hour wall opening protective material applications in specific assemblies.
Typically ships in 1-3 business days based on stock levels
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