3M Fire Barrier Cast-In Tub Box Assembly 3TB, 3 in, 6/case
3M 7000148881
$28.35
/ Order multiples of 6 EA
Out of Stock
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.