Boss 813 Expanding Firestop Foam
BOSS 813 Firestop Foam is a one part expanding foam designed for use in residential and commercial construction as a firestop. It has passed the strict UL 1479 test and has UL Systems available.
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BOSS 813 Firestop Foam is a one part expanding foam designed for use in residential and commercial construction as a firestop. It has passed the strict UL 1479 test and has UL Systems available.