NuFlex 814 Firestopping products are all 100% silicone firestop sealants that are designed to outlast all water-based firestops while providing a water, smoke and toxic gas proof seal. NuFlex firestops have also passed the UL1479 accelerated aging tests for air and water leakage. |
TVM Polyurethane foams are designed to fill gaps and cracks to effectively seal out air and moisture infiltration while insulating your home/building to increase its energy efficiency. TVM Polyurethane foams will cure to form a dense, closed-cell structure that will not rip or puncture as do traditional latex-based foams. |