Two-stage intumescent - extremely fast and directionality expansion., Water-resistant - will not re-emulsify when dry., Used in over 500 through-penetration UL tested systems., Multi viscosity grade excellent caulking properties along with high build capabilities.
Manufacturer Name
STI - Specified Technologies Inc
Application
Firestopping medium to large openings containing various penetrating items such as pipes, conduits, cables, insulated metal pipes, bus ducts and HVAC ducts.