Our 3M Fire Barrier Cast-In Tub Box Assemblies create a void on the top surface of a concrete slab to allow for plumbing. Simply remove the foam insert after the slab is cured to access the void. This provides a secure and permanent firestop solution.
Accommodates 1-1/2 inch and 2 inch pipe (38.1mm and 50.8 mm)
Easily adjusted height accommodates concrete thickness from 4-1/2 inches to 8 inches (114.3 mm to 203.2 mm)
Easy-to-install, annular space allows for hassle-free pipe installation
Eliminates time and expense of core drilling holes in concrete
Firestop tested for up to 3 hours, when used in conjunction with a 2-inch (50.8 mm) 3M Fire Barrier Cast-In Device for metallic and non-metallic penetrations, in accordance with ASTM E 814 (UL 1479)
Installs securely by attaching directly to forms and floor decking
Rugged one-piece design withstands impact during everyday construction
Tear strips allow installers to easily adjust height for various concrete thicknesses
UL Classified, universally recognized independent test agency
3M Fire Barrier Cast-In Device Height Adaptors are 1-piece extensions that provide up to 4??of additional height to 3M Fire Barrier Cast-In Devices. No fasteners are required and installers simply...
3M Fire Barrier Cast-In Devices for Metal Pipes provide one-step firestopping for penetrations through fire-rated concrete floor assemblies. Instead of drilling holes, installers simply attach the...
Designed to provide one-step firestopping for penetrations through fire-rated concrete floor assemblies, 3M Fire Barrier Cast-In Devices for Plastic Pipes are a proven alternative to core drilling...
Our 3M Fire Barrier Pass-Through Device Round are one-piece hinged metal enclosures designed to prevent the passage of fire, smoke and toxic gas. This easily-installed device is ideal for...
3M Fire Barrier Cast-In Device Metal Deck Adaptors are one-piece plastic body adaptors for one-step firestopping on fluted metal decks. Installers simply snap a metallic or non-metallic 3M Fire...