Code: WPM ��Sizes: 4L, 20L ��Max Thickness: Wet Film Thickness of 0.3mm (1 coat) ��Coverage: Primer or efflorescence barrier: 60m2/20L kit, 12m2/4L kit (1 coat). Moisture Barrier: 30m2/20L kit, 6m2/4L kit (2 coats) ��Excellent water vapour transmission performance ��Excellent adhesion to most substrates including damp surfaces and green concrete ��Can be used as a general purpose primer, as a moisture barrier, and within hydrostatic applications