Evo-stik 918 primer 5LEvo Stik Primer 918 is a high quality acrylic emulsion specially formulated for priming sub floors prior to the application of adhesives or screeding compounds, for dust proofing floors and sealing walls prior to tiling Evo Stik Primer 918 is suitable as a priming coat on sub floors of quarry tiles, smooth dense concrete and granolithic floors, porous or dusty sub floors prior to the application of levelling compounds Can be used where underfloor