Bartoline Ready Mixed Exterior Filler is a ready to use filler with adhesive properties which allow for a wide range of external applications. When set, the filler is hard and durable. Shrink and crack resistant and dries with a white finish. Available in handy squeezy tubes allowing direct application to the repair site. For long lasting protection the repair should be sealed with an oil-based paint or varnish. Not for use on surfaces regularly under water.