SpecSeal LCI Intumescent Sealant – Firestop Joint Protection Sealant

Certifications

• UL Certified
• FM Approved
• FBC System Compatible
• UL Green Guard - Gold
• Cal Fire - OSFM

Description

SpecSeal LCI Firestop Sealant is a water-based intumescent sealant designed for use in through-penetration and construction joint firestop applications. It expands when exposed to heat, helping seal openings and maintain fire-resistant performance in rated assemblies.

This firestop sealant offers strong caulking properties, allowing for easy application in vertical and overhead installations, supporting consistent coverage across a range of jobsite conditions.

Features & Benefits

• Gun Grade material available in caulk tubes, sausages and pails
• Tested for use in through-penetration and construction joint configurations
• Compatible with CPVC Piping
• Can be sanded and painted to match its surroundings
• Used in over 500 UL Tested Systems