All exterior woods grey into a patina colour over time, but UV-Protection Oil has been developed to maintain the wood's natural colour and slow the greying process by (UV factor) 12 times in comparison to untreated wood. Ideal for windows, doors, cladding, fencing and other vertically structured joinery (not recommended on flat surfaces such as decking).
Very water and dirt resistant
Reduces wood swelling and shrinkage
Microporous, breathable finish - does not crack, peel, flake or blister