Bostik Slow Set Flexible is a slow setting, cementitous adhesive with a high Polymer content for floors and walls. It is suitable for interior and exterior use and has excellent adhesion to most standard building surfaces e.g. concrete, sand cement screed, plaster, plasterboard, rendering, fibre cement board, and existing tiles. It is also suitable for use on plywood overlaid floors. Technik Rapid Set Flexible White is ideal for use with marble where both water staining and its translucent nature can be a problem for standard adhesives. Coverage per bag is 4-5m2