Step 1
Step 1 Surface preparation: Wet plaster – plaster applied at least 12 hours earlier, or a surface after rain; when the moisture content is no higher than 75%, clean the surface and then apply the primer. Fresh plaster – plaster applied at least 24-48 hours earlier; when the moisture content is no higher than 75%, clean the surface and then apply the primer. New plaster – plaster applied at least 30 days earlier; clean the surface so it is free of dust and grease, then apply the primer. Old plaster – for old plaster or previously painted walls, clean the surface so it is free of dust, then apply the primer
