This filler from Polycell comes ready to use and is perfect for filling holes up to 5 mm deep on internal & external surfaces of your home. Simply apply with a Filling & Wet Knife to plaster plasterboard ceiling coving and mouldings and leave for 15 minutess 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.