FireStop814™ fire stopping caulk is a single component, non-combustible, non-intumescent material for residential and commercial applications. Colored red for easy inspection, FireStop814™ creates an effective barrier against flames, smoke and toxic gases 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. It restores the integrity of firestops in residential and commercial construction.