PFP Partners 4100NS Non Sag Firestop Caulking 850mL
PFP Partners’ Non Sag Firestop Caulking offers lasting performance with a flexible seal designed for use on various construction surfaces. This 850mL product is eco-friendly, odorless, and non-reactive. Ideal for firestopping in construction joints, its one-component latex-based substance delivers reliable results with each application. 4100NS has been designed specifically to seal construction joints against the spread of fire, smoke, fumes and toxic gases in 1, 2, 3 & 4 hour rated floor and wall assemblies. Grey color.