... 18KG/ Barrel200 m2 to 250 m2/17KG/coat Applied to:Exterior wall, new or previously painted masonry surfaces such as brickwork, plaster ... should be sound, dry, clean, free of oil, dirt, grease, mildew, loose and flaking paint and other foreign substances. The surface should ... smooth. New Surfaces:1) Remove all oil/grease contaminants, loose rust, loose scale and loose paint.2) Fill any minor cracks with ...