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STI Firestop LC Endothermic Firestop Sealant - 20 OZ.

  • Sale


SpecSeal® Series LC Sealant is a latex-based, high solids firestop compound. This material, when properly installed, will effectively seal penetration openings against the spread of fire, smoke, toxic gasses and water.

Series LC is engineered to adhere well to virtually all construction surfaces and may be applied using a standard caulk gun or by troweling with a standard mason’s trowel or with a putty knife.

Series LC dries without shrinking to form a flexible shield against the propagation of fire. Its premium latex binder system is totally resistant to water and will not re-emulsify after drying. SpecSeal Series LC Sealant is non-halogenated, contains no asbestos, inorganic fibers or solvents.

  • Water-Based
  • for easy installation, cleanup, and disposal.
  • Endothermic Fillers to absorb heat & release water.
  • High Solids Formula means no shrinkage!
  • Paintable (when dry)
  • Safe … No Solvents! Non-Halogenated! Low VOC’s
  • Red Color for easy identification and inspection.
  • Installer Friendly – Excellent caulking properties along with high build capabilities.
  • Excellent Smoke Seal
  • Flexible