Fills gaps up to 20mm deep Quick Dry Exterior Putty Ronseal Multi Purpose Wood Filler 250g - Wensum DIY Fills Holes Up To 20mm It’s tough, durable and you can drill into it once it’s dry. Application Push the filler firmly into the hole or crack. This will make sure that the hole is definitely filled. Overfill it to ensure it’s slightly raised above the surface. It’s water and frost resistant and can be applied on days when the weather isn’t quite perfect. Before you start Make sure all surfaces are clean, dry and free from dust and grease. Dry in one to two hours Ronseal Multi Purpose Smooth Finish Filler - Glenwood Decorating Supplies The Quick Drying Filler comes in 100g tube, 330g tube & 600g tub to suit all project sizes. Will I have to sand down your Smooth Finish Filler to achieve the... Wait one to two hours for the filler to dry. VitaPoint Bartoline Wood Filler Brown 330g - Easy Repair Available in tubs or tubes, Water resistant If the hole you are filling is deeper than 20mm, you will need to fill it with several layers.