1.Use a nail punch to drive the heads of any nails that are standing out so they are sitting below the surface.2. A high-pressure spray is the easy way to remove flaking paint, but you can also use a paint scraper. Old must be scraped from your wood surface or your new paint will eventually let go. Make sure the surfaces are dry. Then scrape in the direction of the grain. You dont need to remove all the paint, just the loose paint.
3. Fill the punched nail holes with Alcolin Lite Fill for a flush finish.
4. Sand the surfaces with 80-grit sandpaper to remove any loose paint, then wipe clean with a slightly damp cloth to remove all the dust. The surface needs to be clean before painting. Be sure to sand all old, bare wood. Paint wont stick to wood once it has weathered.
5. Apply wood primer to the surface. Autumn and spring are the perfect times for getting stuck into this task as too much heat can dry the primer and paint too quickly and prevent adequate penetration. It can also cause enamel paints to develop blisters that will ruin the skin of the finish coat of paint.
6. Apply an exterior silicone sealer to all the seams and cracks once you have primed the surface to keep out moisture. Wipe away excess and shape it with a moist rag as you apply it. Let the sealer set (usually a couple of hours) before painting over it.
7. Apply two coats of suitable exterior acrylic paint directly to the timber – and dont forget to paint the end grain on the underside of the pickets. Allow each coat to dry completely before applying the next coat.
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