Toupret Quick Dry Patch & Repair filler is suitable for gaps, cracks, scratches and holes. Ready to overpaint in just 3 hours. Easy to sand, with no shrinkage, no depth limit and no need to spot prime. Suitable for interior use, manual applications. It can be applied to new or renovated, painted or unpainted substrates:- Gypsum plaster, plasterboard- Old painted surfaces- Primed wood- Cement, concrete, cellular concrete, breeze blocks, bricks and stone Quick Dry Patch & Repair can be overcoated with any filler, any conventional paint or conventional wall-coating. Do not cover directly with polyurethane or solvent-based epoxy paints. If using a solvent based paint, a first primer coat of water-based masonry paint is highly recommended. Specification: Mixing Rate: 45% water (0.45L water for 1kg powder)Application Thickness: no limitConsumption: 1kg of powder fills 1L of volumeWorking Time: 30 to 40min.Overcoating: 3hr. average timeColour: White