Terminator 624XT

Terminator 624XT is a technologically advanced, 100% solids, moisture-cure sealant and adhesive. This high-strength, versatile product has excellent elasticity and adhesion, making it ideal for repairs. Designed for industrial use, it can be applied to most surfaces–even when wet. Terminator 624XT has a higher viscosity than 622 for use in areas with larger gaps and walls

  • 100% solids, single-component sealant/adhesive
  • Forms a durable, flexible, water-tight seal
  • Extreme adhesion to almost any roofing material–even to silicone
  • Cures under water
  • Stops leaks instantly

10 oz. tube


White, Gray

Terminator 624XT is ideal for repair projects requiring high-elasticity, high-strength, and outstanding adhesion on a wide variety of substrates. Terminator 624XT bonds aggressively to steel, aluminum, modified bitumen, built-up roofing, spray foam, styrofoam, EPS, glass, wood, fiberglass, concrete and coated metals.

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  • Modified Bitumen
  • Metal
  • Single-ply
  • Smooth BUR
  • SPF
  • Concrete

All surfaces must be properly cleaned. Any existing coating must be checked for good adhesion. Before application, any loosely adhered coating must be removed and bare surfaces must be prepared, cleaned and checked for compatibility. Terminator 624XT is a ready-to-use product.

Application Coverage (1 gallon) Width Wet Mils Average Dry Mils
Seams 150 linear ft. 4″ 30 30
Flashing Details 50 linear ft. 6″ 60 60

*Coverage rates listed are estimates based on typical conditions.

  • Brush
  • Bulk Gun/Caulk Gun
  • Roller

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