On many unpainted outside surfaces, the standard operating procedure asks for a primer coat followed by two topcoats of paint. This treatment is likewise recommended for any painted surface that requires significant scraping and repair works. You could be topcoating just because the surface is dull or because you want a brand-new color. If that’s the case and the existing paint is sound, a single coat of “one-coat” acrylic latex paint applied properly offers sufficient defense and protection in lieu of the two topcoats.
You can apply quality latex paint over any oil or latex-painted surface that’s in good condition. If the paint is sound, you typically need to prime just scraped or repaired locations. You can likewise make use of a stain-blocking primer in lieu of regular primer to seal knots in board siding or trim and to cover spots that you cannot eliminate, such as rust.
If you’re applying latex paint over a glossy paint, play it prime and safe the whole home, even if you’ve sanded or dealt with the existing done with a deglosser. Hardboard siding might likewise need a guide. As a basic policy, use an alkyd primer and a latex topcoat when repainting.
Make sure that your primer is appropriate for the surface you’re painting. Cedar and redwood, for instance, typically require an oil-based primer to seal the surface so that tannin spots don’t bleed with the topcoat. Also make sure that the guide and topcoat work. How do you understand? By informing your provider what you’re painting, reviewing the label, and (though not always needed) utilizing the same brand of primer and topcoat. To make it much easier for a colored topcoat to cover primer, have your paint dealership tint the guide to the approximate color of the finish coat.
If you currently have 3 or more coats of oil-based paint on the house, utilize oil-based home paint. Making use of latex might trigger the old paint to lift off the substrate.
If that’s the case and the existing paint is sound, a single coat of “one-coat” acrylic latex paint applied appropriately provides sufficient security and coverage in lieu of the two topcoats.
If you’re using latex paint over a glossy paint, play it safe and prime the entire residence, even if you’ve sanded or treated the existing finish with a deglosser. To make it simpler for a colored topcoat to cover good, have your paint dealer tint the primer to the approximate color of the finish coat.