Toupret Quick Fill is a ready mixed filler for interior use. Suitable for use on new or renovated substrates, both painted and unpainted; gypsum plaster, plaster tiles, plasterboard, concrete, cement, breeze block, brick and stone. It is a one coat filler with no sanding required and can be over painted in 30 minutes with no spot priming required. It will not shrink, flash or grin.