STI SPECSEAL FIRESTOP BLOCK 2"X5"X8" #SBR25 (24/CT)
MacArthur #: 42A2101016
Manufacturer #: SBR25

SpecSeal Firestop Block
U/M: Carton
Gross weight: 24
Pieces per carton: 24
Length (in.): 8
Material: Firestop Block
Thickness (in.): 2
Width (in.): 5
SpecSeal® Firestop Blocks are penetration firestop products resembling foam bricks. These intumescent urethane foam blocks are installed in openings by compressing and stacking into the opening in a brick-like fashion. The intumescent block expands in high temperatures to impede fire, smoke, and gas passage.