Air seal 33 Mastic Tube
Air seal 33 Mastic Tube Formulated for quick application using a standard caulking gun.
- Fiber-Reinforced Formula: Embedded fibers bridge wider structural gaps without needing reinforcing mesh or tape.
- Microbial Protection: Features high mold and mildew resistance to protect building indoor air quality over the long term.
- Fast Curing: High-solids composition dries quickly to minimize system downtime during maintenance or construction.
- Versatile Bonding: Offers exceptional adhesion to sheet metal, fiberglass ductboard, and flexible ducts.