This water resistant filler from Sandtex comes ready to use and is perfect for filling and repairing cracks and holes on external surfaces of your home. Simply apply with a spreader to brick render stone and most other building materials except common fletton brick and 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.