... of colours, they are designed to inhibit moisture ingress and prevent bacterial and fungal growth.Extra Fine wall grout for a finer ... ,BucketSubstrate requirementThe substrate should be hard, sound, dry, flat, clean and durableSubstrate preparation· Ensure 24 hours of time interval after tiling ... g4 hours< 10,0 gTILE WORK Shunan Dry Mix Cement -based Interior and Exterior Ceramic Tile Grout