The USG Durock™ Brand Sealant is a unique, multi-purpose, waterproof sealing and bonding compound that is a silane-modified polymer, free of solvents and dangerous isocyanates. It cures via air exposure to form a highly durable, flexible seal. It has been formulated to offer outstanding primerless adhesion to most common building materials.
- 10.1 fl. oz. tube
- Covers fasteners for waterproofing