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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
Convenience and quick fill time make this a popular item
as well as current and peak CO concentrations
Copper 30% to 35%
Water resistant and dishwasher safe
OSI 21.1 Oz. Fire Block Foam Sealant Mold Armor Convenience and quick fill timeOSI Fire Block Foam provides an effective barrier designed to inhibit the passage of fire, smoke, and toxic gases through service penetrations and other openings inside concealed space of Type V A construction projects, occupancy group R3 and R5 (wood frame) buildings. This high performance, single component fire block foam sets in 10 minutes and cures upon reaction with moisture to form a flexible, low pressure polyurethane foam. Developed for gaps
