Primer G 5kgSynthetic resin based primer in water dispersion. For treating gypsum or anhydrite surfaces prior to installing ceramic tiles and stone material with cementitious adhesives or levelling. The surfaces to be treated must be clean and porous. Dilute Primer G with water from 1: 1 to 1: 3 to protect old floors before levelling, to fix the residual dusting and to provide even absorption of substrates prior to levelling or laying. Apply on perfectly dry