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Performance: Highest UL and STC ratings of any putty pad on the market. Numerous 1 hour and 2 hour UL assemblies. Rated in STC 64 assemblies.
Easy Installation: Just peel-and-stick to the back of any plastic or metal electrical outlet.
Universal Size: Cut or tear pieces to create whatever size you need, bigger or smaller.
Thicker Than Competitors: This putty pad is twice as thick as most putty pads you will find online! This provides an extra 10 STC points.
Case of 20 SpecSeal SSP Putty Pads, model SSP4S, from STI Firestop. Each pad is 7-1/4" square and .2" thick. Peel-and-stick installation to the back of electrical outlets to meet fire code and maintain assembly sound rating. Made entirely in USA and meets the Buy American Standard required on many projects. Refer to the manufacturer's site for more information on application, installation, UL ratings, STC ratings, and information on LEED points.