STI SpecSeal LCI Intumescent Sealant Tube | 10.1 Ounces
The STI SpecSeal® LCI Intumescent Sealant Tube | 10.1 oz is a high-performance firestop sealant designed to protect cable and pipe penetrations in fire-rated walls and floors. Formulated with advanced intumescent technology, this sealant expands when exposed to heat, helping block the spread of flames, smoke, and hot gases through building penetrations.
SpecSeal LCI sealant provides excellent adhesion to a wide range of construction materials including concrete, drywall, masonry, metal, wood, and plastics, making it a versatile solution for sealing penetrations in telecommunications rooms, data centers, commercial buildings, and institutional facilities. Its flexible formula helps accommodate building movement while maintaining a reliable seal.
Packaged in a 10.1 oz cartridge for standard caulking guns, the sealant is easy to apply and ideal for sealing cable bundles, conduits, pipes, and small openings that pass through fire-rated assemblies.
Key Features
- Intumescent firestop sealant for cable and pipe penetrations
- Expands when exposed to heat to block flames, smoke, and gases
- Excellent adhesion to concrete, drywall, masonry, metal, wood, and plastics
- Flexible formula helps accommodate building movement
- Ideal for data centers, telecom rooms, and commercial installations
- 1 oz tube for easy application with standard caulking guns
- Helps maintain fire-rated wall and floor assembly integrity
Protect your building penetrations with reliable firestop performance. Order the STI SpecSeal LCI Intumescent Sealant today to keep your installations safe and code compliant.





