Dilute 1 portion of PENTENS T-007 permeable primer or 1 portion of PENTENS T-100 with 3 portions of clear water and then plaster directly to the surface to be waterproofed at the rate of 0.2kg/m2 in order to improve the bonding. Using brush, roller or spray, apply the first coat of PENTENS T-100 on the surface. Leave to cure for approximately 8 hours before applying the second coat