Designed for use over impervious (non porous) substrates and materials prior to being tiled or waterproofed. PR-1 “The Blue One” has a desired textured finish so becomes the perfect primer to tile over. PR-1 “The Blue One” can be used on internal & external applications to prime over existing tiles, vinyl, plastic, metal, epoxy coatings, carpet & vinyl adhesive residue and other non-porous substrates including Scyon Secura and Cemintel Constructafloor. PR-1 saves time and money eliminating the need for grinding and removing existing tiles, vinyl, epoxy coatings etc. PR-1 “The Blue One” Impervious Substrate Primer is ready to use in a 13kg container and will cover approximately 150m2 depending on type and porosity of substrate. Cured film thickness should be no less than 0.20mm.