Nelson Fire Stop Products

LBS3™ Latex Sealant
From $15.74
Nelson Firestop Sealant (LBS3™) is ideally suited for for firestopping through-penetrationsof non-combustible pipe, insulated pipe and combustible pipe (such as PVC, PEX, CPVC and ABS) in floors or walls. It can applied using a standard caulk gun, bulk loader, or trowel.

CLK™ Sealant
From $24.73
Rated for up to 4 hours of fire protection, this ready to use silicone-based sealant remains flexible while blocking flame and smoke passage in through-stop penetrations.

Firestop Bricks
Price $279.85 per 6 pack
Firestop Brick is ideal for applications where there might be a need to re-penetrate an area, and is easy to re-position. When the brick comes into contact with fire, the brick material expands within the opening, forming a solid char that prevents through-penetration of the fire for up to 2 hours.

CPS™ Composite Sheet
From $371.71
Perfect for protecting vital network equipment, this easy-to-install, 2-hour flame rated composite sheet blocks the spread of smoke and flame in through-wall cable penetrations.

FSP™ Firestop Putty
From $8.96
Ready to use right out of the box, this hand-moldable putty provides 3 hours of firestopping for pipe, cable, and ductwork penetrations, and can be reworked at anytime.

PLW™ Firestop Pillows
From $17.06
These intumescent pillows expand when exposed to fire to block smoke and flame spread, and can be reconfigured anytime you need to change the cabling in through-wall penetrations.