Compare Quick view Wakol PU-280 Moisture Barrier Wakol MSRP: Now: $238.00 Was: Single component waterproof primer and moisture barrier for porous subfloors, non-porous subfloors, solidifying soft subfloor surfaces, "green" concrete slabs and concrete with residual moisture prior to installation of flooring. Blocks... MSRP: Now: $238.00 Was: Compare Quick view Qty in Cart: 0 Price: MSRP: Now: $238.00 Was: Subtotal: