STI® SpecSeal® intumescent wrap strip, flexible pre-cut, series: SSW, 11-1/4 in L, 3 in W, 1/8 in H, fire rating: up to 4 hr, blue, plastic.
Features
- Rapid expansion closes off burning penetrants faster
- High volume char significant expansion seals off opening
- Water-resistant no soluble or hygroscopic ingredients
- Economical 12 ft rolls or precut strips means no piecing, less waste
- Highly flexible no foil, easier to install
- Versatile performer for a wide range of complex applications
- Firestopping medium to large openings containing various penetrating items such as pipes, conduits, cables, insulated metal pipes, bus ducts and HVAC ducts
