Moisture vapour barrier for cement-based substrates that are not subject to rising damp, but have a residual
humidity content higher than the Australian Standard 75% RH up to 95% RH (ASTM F2170 as per AS1884-
2012).Mapeproof Turbo 1K is a moisture vapour barrier treatment prior to the installation Mapei floor levellers, PVC, vinyl and timber flooring, to prevent a failure due to excessive residual humidity in the substrate.