White Lightning FLAME BUSTER High Heat Fire & Smoke Blocking Latex Caulk is a one component caulk designed to resist high-temperatures and smoke in non-rated construction. It is most commonly used around wires, pipes, ducts, and vents in wood or steel framed non-rated construction.
- Resists temperature up to 1380 ˚F
- Blocks drafts, smoke and fire
- Easy application and cleanup
- FBC system compatible
- This sealant was tested according to ASTM E90 to verify no performance loss for an STC 57 wall partition bearing multiple firestop systems, including 3/8” vertical wall joint and an open 4” diameter through penetration resembling UL 2079 and UL 1479 assemblies