builder's flat paint are potential problem surfaces for wallcovering and painting because they are porous

Delays natural greying by 12 times in comparison to untreated wood

and bond coat that dries for recoat in just two hours

Flawless results

Sadolin Weatherproof Exterior Wood Stain for Ultimate Protection - Natural Zinsser Cover Stain builder's flat paint are potentialDescription Specification Download Shipping & Returns Product Description: Sadolin Extra is a tough, weatherproof wood stain that provides long lasting colour and protection to exterior wood. This hardwearing wood stain is flexible and is ideal for use as a topcoat over Sadolin classic for maximum durability on new or bare doors or windows. Available in Natural, Sadolin Extra is perfect for use with exterior wooden doors, windows, and conservatories.