Sanding Aluminum Siding Before Painting

Help the scraped areas blend in by gently sanding the edges.

Sanding aluminum siding before painting. Required tools for this how to paint aluminum siding project have the necessary tools for this diy project lined up before you start you ll save time and frustration. Before sanding scrape loose and flaking paint from the siding. If a section has more severe damage you may need to replace it with a new section of aluminum siding. Pound in any protruding nail heads.

As mentioned before 100 percent acrylic latex paint is the best paint to use to paint aluminum siding. Sand down the siding. Then prime the aluminum with an oxidizing primer made specifically for metal which will help inhibit rust from forming in the future. Another way to prepare the siding is by sanding it down to clean up the surface.

There are ways to safely clean your house before painting using a pressure washer including using lower psi pressure washers widening the spray and standing at least two feet back. Apply self etching primer let dry then sand again. If you notice any peeling paint scrape it away to make the siding smooth. You want the absolute best adhesion surface for your paint.

Thoroughly clean the aluminum and let dry. You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones. Sand the metal surface with coarse then fine grit sandpaper. You may want to use rough sandpaper 80 grit and then gradually finish with fine sandpaper 220 grit to even the surface.

Support wikihow today for just 0 99. Start by sanding the surface with 80 120 grit sandpaper or wire brushes which will give the primer and paint something to hold on to. Then paint with two coats of acrylic paint. Use a scraper to remove loose paint from the siding working from every direction.

Over time the aluminum siding builds up mildew and can begin to look chalky or the paint color may fade. Apply paint multiple coats and. Potential of siding damage water injected under siding or dirt remaining on house. Wash any areas where you have repaired the siding before proceeding.

There s still more preparation to address before painting aluminum siding. Make sure you sand down in only one direction. The best way to address these issues is to repaint the siding.