OSI 21.1 Oz. Fire Block Foam Sealant 5 Fits between a standard 14-1/2

Fits between a standard 14-1/2 In

Ideal for indoor or outdoor insect control in homes

easy-to-clean stainless steel grates

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It is ideal for bike racks

OSI 21.1 Oz. Fire Block Foam Sealant 5 Fits between a standard 14-1/2OSI 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