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LEED
20-year Warranty

CHAPCO'S DEFENDER

Penetrating Moisture Vapor Barrier

NEW FORMULA that exceeds ASTM standard for moisture vapor barriers! A low viscosity, high penetrating, two-part 100% solids epoxy designed to reduce moisture vapor emission rates from 25 lbs. /1,000 ft2/24 hours and can be applied directly over green concrete (RH 100% or lower). Delivers less than .1 permeability of water vapor through the membrane, exceeding the newly-released ASTM F3010-13 standard for moisture vapor barriers.

Packaging:
  • 1 gallon kit

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