Pro Primer E is an epoxy moisture reducing primer used with both the Terapro PUR (polyurethane) and Terapro (PMMA) lines on new and existing concrete. It is a 100% solids, plural component epoxy that is alkali-resistant and can reduce moisture vapor emission levels from 25 pounds to less than 3 pounds per 1,000 ft. Eligible for USGBC LEED, EQ Credit 4.2: Low-emitting VOC Compliant Materials.* Pro Primer E is also used as an accessory to STP roofing and waterproofing systems. Resins are translucent.