before using dulux trade ultimate solvent opaque
To get the best results, ensure surfaces to be treated are sound, clean and dry.
Remove all loose and defective coatings, if necessary stripping back to bare wood. Where the surface has been previously painted, it may be necessary to strip back to bare wood if the coating is in poor condition.
Special precautions should be taken during surface preparation of pre-1960s paint surfaces over wood and metal as they may contain harmful lead.
Remove and treat any mould, algae, lichen or moss with a Fungicidal Wash*. Remove defective glazing material, clean the rebates and any loose or open joints.
Replace any rotten wood and troublesome knots with new preservative treated timber. Thoroughly rub down all surfaces in the direction of the grain to remove any grey, weathered wood and surface sheen from remaining coatings, and then dust off (refer to COSHH Assessment).