3M Fire Barrier Mortar

3M(TM) Fire Barrier Mortar (44-Pound Bag) Lightweight cementitious firestop with excellent adhesion, bonds to concrete, metals, wood, plastic and cable jacketing. (44 Pound Bag) Variable mix ratio permits self-leveling and no-sag application consistencies. Re-enterable no power tools needed. Bonds to itself - proven prior to and during fire testing. Pumpability allows faster installation. Greater resistance to common concrete poisons than PC-bound products. Contains no asbestos.