STI® SSWBLU230 SpecSeal® Flexible Pre-Cut Intumescent Wrap Strip, 11-1/4 in L x 3 in W, Up to 4 hr Fire Rating, Plastic

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