Baumit Premium Primer

Baumit Premium Primer enables lime plasters to be applied over plasterboard, gypsum plasters and old lime plaster coats. Baumit Premium Primer is a thick primer for use with lime and clay plasters and has improved vapour permeability compared to high acrylic primers. Use to reduce and equalise substrate suction to improve the curing and strength development of subsequent coatings. Improves adhesion to substrates. Improves water repellence. Does not inhibit water vapour diffusion through the substrate. Dilute with up to 5% water if required. SUITABLE SUBSTRATES Mineral based contact mortars, lime and cement renders, concrete. Well bonded mineral, silicate and dispersion paints and coatings. Gypsum plasterboard. Allow to dry for 24 hours before applying subsequent decorative render finishes.