Paints should be applied when the wood is dry. Tannin bleeding is the result of natural dyes that extract themselves from the woods. These dyes are water soluble and will lead to discoloration of latex primers and paints. Top quality alkyd based primers work extremely well in preventing this type of bleeding and should be finished with a top quality acrylic latex finish paint. Vinyl Siding Vinyl expands and contracts with the changing weather conditions, and normally contains a very slick surface.
Good adhesion is essential for the smooth and slick surfaces that vinyl siding provides.
Never sand, scrape, or cause any other abrasions to a vinyl surface. Never paint vinyl darker than the original color because dark colors absorb heat and could cause the vinyl to warp. Top quality acrylic latex paints can be applied to vinyl surfaces once they have been properly washed of debris. It is not recommended to paint over wallpaper. Painting over wallpaper can cause the surface to form large blisters that may or may not recede, which can cause major surface preparation problems.