Thermafiber TopStop Head-of-Wall Insulation provides fire containment in head-of-wall constructions. These products are non-combustible, moisture resistant, non-corrosive, nondeteriorating, mildew-resistant, and vermin-resistant. Insulation used for TopStop is UL and Intertek (formerly OPL) Classified, and is approved for use in designs that otherwise call for Safing Insulation. It is available in 3 common sizes of trapezoidal shaped boards, as well as standard forming strips.
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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