Specified Technologies Series LCI Intumescent Sealant 10.1 oz. Tube 18.2 Cu. In. (300 ml)

Reference#: 73417
Item#: LCI300


LCI Intumescent Firestop Sealant

Premium grade, water-based firestop sealant featuring STI’s patented two-stage intumescent technology. The perfect choice for the broadest array of combustible and noncombustible penetrants requiring a permanent, durable seal.

SpecSeal® LCI Sealant is a versatile and economical intumescent product intended for firestopping a wide array of applications in small commercial or grouped residential construction and other structures with similar applications. SpecSeal LCI Sealant is available in a single grade that has excellent caulking properties as well as high build properties on vertical or overhead surfaces. This single grade may be caulked (standard cartridge or bulk loaded), knifed or troweled. In addition, SpecSeal LCI Sealant does not contain PCB’s or asbestos.

SpecSeal® LCI Sealant is storage stable (when stored according to the manufacturer’s recommendations), and will not separate or shrink when dried. SpecSeal Series LCI Sealant will adhere to all common construction and penetrant materials and contains no solvents that might adversely effect plastic pipes or cable jackets.


  • Economical – High performance without the high price!
  • Highly Intumescent – Expands up to 10X.
  • Excellent Smoke Seal
  • Water-Resistant – Will not re-emulsify when dry.
  • Water-Based for easy installation, cleanup, and disposal.
  • Acoustically Tested – Reduces noise transmission
  • Safe…Low VOC’s, No Solvents, Non-Halogenated
  • Paintable

    Common Applications:
  • Metallic pipes including steel, iron, or copper pipe and tubing
  • Nonmetallic pipes, conduits and tubing including PVC, CPVC, ABS, and PEX
  • Electrical and electronic cabling including service entrance, power distribution, computer, telephone, and television
  • Metal duct work including HVAC, bath and dryer vents
  • Insulated pipes including heating, cooling, and condensation applications
  • Complete wood floor firestopping package for electrical, plumbing, HVAC, telephone, and television
  • Specification

    Color: Red
    Odor: Mild Latex
    Density: 9.0 lb/gal (1.08 kg/L)
    pH: 9
    Solids Content By Weight: 0.8
    Solids Content By Volume: 0.669
    In Service Temperature: < 185°F (85°C)
    Flame Spread: 0*
    Smoke Developed: 5*
    STC Rating (ASTM E90/ASTM C919): 62
    VOC Content
    (EPA Method 24/ASTM D3960): 32.7 g/L
    Shelf Life: 2 Years
    Volume Expansion: 10X Free Expansion
    Storage Temperature 40°F (4°C) - 95°F (35°C)