3 in. SpecSeal® Global Watertight Cast-In Firestop Device for Combustible and Non-Combustible Penetrants | STI-CD301GW

STI's 3 in. SpecSeal® Global Watertight Cast-In Firestop Device for Up to 8-Inch Concrete Pour features advanced global watertight technology that incorporates a resilient, factory-installed internal water seal directly out of the box. This specialized construction eliminates the requirement for additional field-applied sealants while delivering a code-compliant water rating to protect vulnerable lower levels from moisture migration or pooling water during construction or building operation. Designed to seamlessly handle floor depths up to 8 in., this durable polypropylene device accommodates both plastic and metallic penetrants, providing critical installation flexibility and reliable structural safety on commercial jobsites.

• Rated for concrete pours between 2-3/4 in. and 8 in.
• Factory-installed internal gasket creates a dependable baseline water seal that safeguards multi-story structures from transient water damage and fluid leaks
• Smart design features a versatile body that integrates seamlessly with combustible or non-combustible 3 in. trade size plumbing and electrical conduits
• High-visibility yellow upper tube ensures clear targeting and alignment during concrete placement while keeping debris out of the internal chamber
• Rugged construction installs directly onto wood forms or steel decking prior to concrete delivery to compress construction schedules and lower labor overhead