Products / Karnak 507 SPC Primer/Wash

Karnak 507 SPC Primer/Wash is a water-based cleaner that prepares EPDM roof surfaces for coatings and repairs. The maker lists it for new and weathered EPDM membranes. It is clear, pH neutral, with a listed VOC of 0 g/L, sold in 5 gallon pails and 1 gallon cans.