TREMCO: Firestop Sealant

November 6, 2008
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Tremco Commercial Sealants & Waterproofing (CS&W) is introducing a new and improved formula for TREMstop® IA Intumescent Acrylic Firestop Sealant. TREMstop IA+ provides more coverage and requires less material for fire-rated applications. TREMstop IA+ is the only UL classified intumescent acrylic firestop sealant on the market that can be installed around a four-inch plastic pipe without requiring a collar, sleeve or backer rod. Just pump out the sealant and go. Because of its unique formula, applications require 20%(on average) less material than its competition, and when installed within concrete wall panels, only one-sided applications are necessary for it to meet specifications.

TREMstop IA+ is a high-performance, single-component, water-based, firestop sealant that will expand to fill the voids left when combustible materials burn and deteriorate in a fire. TREMstop IA + has undergone third-party testing from Underwriters Laboratory Inc. and Intertek Group, PLC to challenge its ability to perform under extreme conditions of water pressure and flames. TREMstop IA+ proved its effectiveness for treating 95%of the common applications found on a job-site, including metal pipe, plastic pipe, insulated pipe, cables, ducts and multiple penetrations.

This versatile building product has exceptional sealant qualities providing advanced performance, making it a Best in Class intumescent acrylic sealant. No priming is necessary for superb adhesion. It’s easy to gun and contains antifungal properties. In addition, it can be painted over once fully cured.

For more information, visit

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