NSi Industries, LLC Firestop814 Residential and Non-Intumescent Commercial Fire Stop, 10.3 oz Caulk Tube, Red - FS-814
- Fire stopping caulk is a single component, non-combustible, non-intumescent material for residential and commercial applications.
- Firestop814 creates an effective barrier against flames, smoke and toxic gasses and has superior adhesion and gunnability.
- Firestop814 is for use in annular spaces around wires and pipes, in one and two-hour fire rated assemblies.