The STI Firestop 13.3 Oz SpecSeal Firestop Putty Block is a versatile and easy-to-use solution for sealing gaps and penetrations in fire-rated walls and floors. Designed to prevent the spread of fire, smoke, and toxic gases, this putty block provides reliable firestopping protection for cables, pipes, and other penetrations. Its moldable design allows for quick and flexible installation, making it ideal for both new construction and retrofit projects. The STI SpecSeal Firestop Putty Block meets strict fire safety standards and is perfect for use in commercial, industrial, and residential fire-rated assemblies.
- Density: 1.45 kg/L (12.08 lb/gal)
- Solids: 1
- Expansion Begins: 230°F (110˚C)
- Volume Expansion: > 500% (free expansion)
- Color: Red
- Odor: None
- In-Service Temperature: 120°F (49˚C)
- STC Rating: 62
- VOC Content**: 0.00 lbs/gal (0.0g/L)
- Shelf Life: No Limit
- **ASTM D 3960 and EPA Federal Reference Method 24.
