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2.2GL Unit | (1A+1B)

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VAPORTIGHT COAT-SG2 is a 2-component, VOC compliant, moisture tolerant, extremely high density, chemically enhanced epoxy based product which prevents the passage of water-vapor and moisture through slabs or walls on or below grade, thus eliminating delamination of adhesives, floor coverings and coatings.


It also prevents capillary infiltration of oil or other chemicals from the ground and can be used to treat oil-contaminated slabs. 

For a faster cure use SG2/3-ACCELERATOR and speed up cure times to 3 to 5 hours.

Typical Applications:

  • On existing and fresh concrete slabs (min. 5 days old)
  • Used for secondary containment or to prevent infiltration of oil and other chemicals
  • Office buildings
  • Hospitals and schools
  • Food processing plants
  • Any slabs with moisture vapor problems
  • Call AQUAFIN for slabs with floor heating, residential slabs below grade and garages


  • Reduces MVER (Moisture Vapor Emission Rate) of up to 25 lbs/24 hrs * 1000 ft² to 3 lbs or less
  • Low VOC's
  • Water and vapor barrier
  • Compatible with most flooring systems
  • 1 coat application for up to 25lbs MVER
  • Applied to moist and damp substrates
  • Stops infiltration of oil, etc.
  • Flooring system installed next day
  • High alkalinity barrier (pH 13 - 14)
  • High chemical resistance (see chart)
  • Radon Barrier (see test report)
  • Provides an "outgas" safe substrate for polyurea membrane coatings

CSI Divisions:

  • High-Performance Coatings (09 96 00)
  • Vapor Retarders (07 26 00)
  • Epoxy Coatings (09 96 56)

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