- 3M Fire Barrier Water Tight Silicone Sealant 1003 SL is a self-leveling silicone ideal for fire-rated floor penetrations and joints.
- Meets the UL Water Leakage Test - Class 1 Requirements
- Excellent weatherability
- Ideal for fast-track construction
- Excellent adhesion
- Easy application with standard or bulk caulking guns or pneumatic pumping equipment.
- Cures upon exposure to atmospheric humidity
- Reenterable and repairable
- Sold as each.