Lanko 136 Rapid Patch Mortar 20kgLanko 136 Rapid Patching Mortar is a ready to use polymer modified rapid setting mortar designed for making repairs to concrete and masonry surfaces both externally and internally. It is for use prior to the application of underlayments, flooring, ceramic tiles, coatings or paint etc. Lanko 136 Rapid Patching Mortar has been designed to achieve very high early strengths, and can accept floor finishes after as little as 90 minutes Not covered by flat