Damp Patch (403)

Damp Patch (403) is a pigmented, heavy duty high compression strength floor patch for repairing and resurfacing damp plant floors. It renews and repairs spalled and damaged floors, fills and eliminates damaged expansion joints, and anchors machinery.


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  • Cures on damp concrete; however, standing water must be removed
  • 100% epoxy resin base with a catalyst hardener and special blended aggregate
  • 15,500 psi compression strength
  • Withstands heavy, abusive traffic
  • Absorbs vibration and shock without cracking
  • Cures down to 32°F
  • 25-hour cure time
  • Pot life of 90 minutes at 70-75°F in a 5 oz. mass
  • Excellent for expansion and contraction applications
  • Highly resistant to acids, alkalies, solvents, heat and cold
  • Extra-long wearing – permanent and resilient
  • Self leveling – minimal trowel work
  • Bonds to concrete, steel and wood



  • Single Kit: 22-24 sq ft at 1/4″ thick (1/2 gallon Part A, 1 quart Part B, 42 lbs)
  • Master Kit: 220-240 sq ft at 1/4″ thick (5 gallons Part A, 2.5 gallons Part B 420 lbs aggregate)


403 TDS

403 SDS


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