Step 1
Step 1 Surface preparation: New plaster – clean off all grease and dust and let the wall dry for at least 1 month. Old plaster – scrub off all loose and deteriorated old paint (do not use a wire brush) and wash clean. Scrub areas with mould or moss with water, let dry and then apply Beger MouldFree M-001 mould and moss remover. Apply 1-2 coats of B-1900 old plaster primer. New / old metal – clean off all grease and dust. If the surface is glossy, sand it with No. 220-280 sandpaper to increase the bonding area. Remove any rust completely
