• To get the best results make sure surfaces should be clean, dry and free from all dust and loose material. No need to prime or wet the surface before filling. Rub down gloss surfaces and touch in nail and screw heads with oil based paint. • Sets in about 4 hours*. Can be over-painted after 24 hours. • No need to prime or wet the surface before filling. Rub down gloss surfaces and touch in nail and screw heads with oil based paint. Always add the powder to the water. To mix, add 2-2.5 parts powder to 1 part water. Stir for about 1 minute until a smooth paste is formed. • After use wash tools in warm water immediately after use. • Excess product can be left to fully cure and disposed of in a bin. Polycell Pollyfilla All Purpose Filler is a powder filler with excellent mixability,is lump free and with good adhesion properties for use both inside and outside. Will not shrink or crack and is easy to sand down.