Joint, skim and fill is ideal for surface finishing, filling and plasterboard jointing. Easy to sand and apply in 1 coat with minimal shrinkage and no depth limit. Suitable for interior use on painted or unpainted substrates including gypsum plaster, plasterboard, old painted surfaces, any filler, cement, concrete, cellular concrete, breeze blocks, bricks and stone. Overcoat with any filler, any conventional paints and wall coverings.