Labels:chat room | hakham | sky OCR: SPECIFIC ATION Installation OFVINYI FLOOR GOVERINGS SUBFLOOR It is vital that the 'foundation' of the floor covering the subfloor sound. The subfloor must contain effective damp proof membrane and all free water which can affect adhesion allowed evaporate from the subtloor The moisture level should tested and not exceed 75% RH excess humidity will result failure the bond between the subfloor joor covering Prev Next SUBELOOR Jevel