Polycell Advanced Polyfilla is a high performance, lightweight filler for general interior repairs. The quick drying formulation will not shrink or sag and has been specially developed to allow the filling of holes of up to 50mm deep in one go. Advanced Polyfilla has a smooth texture, meaning that it does not have to be sanded and will not show once painted. Ideal for plaster, plasterboard, ceiling coving and mouldings