Polycell All purpose powder filler 2kg. This filler from Polycell is perfect for filling & repairing joints cracks & holes on internal & external surfaces of your home. Simply apply with a filling knife or spreader to most building material & leave for 1 hour to dry. It's non-shrinking or cracking to ensure it has a longer life. It can be painted over once it's dried ideal for colour matching with your existing decor.