Sanding Aluminum Siding Before Painting

Wash any areas where you have repaired the siding before proceeding.

Sanding aluminum siding before painting.

Thoroughly clean the aluminum and let dry. If a section has more severe damage you may need to replace it with a new section of aluminum siding. Then paint with two coats of acrylic paint. 2 to 4 hours per 100 square feet of siding before you paint aluminum siding clean the surface thoroughly and prime the siding with one coat of acrylic primer.

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. 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. Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks. You want the absolute best adhesion surface for your paint.

Another way to prepare the siding is by sanding it down to clean up the surface. There s still more preparation to address before painting aluminum siding. You may want to use rough sandpaper 80 grit and then gradually finish with fine sandpaper 220 grit to even the surface. Make sure you sand down in only one direction.

Sand down the siding. Sand the metal surface with coarse then fine grit sandpaper. Before sanding scrape loose and flaking paint from the siding. Help the scraped areas blend in by gently sanding the edges.

Then prime the aluminum with an oxidizing primer made specifically for metal which will help inhibit rust from forming in the future. Apply paint multiple coats and. Potential of siding damage water injected under siding or dirt remaining on house. In this video toh expert shares his tips and demonstrates how you clean and prepare the surface for painting.

Pound in any protruding nail heads. Over time the aluminum siding builds up mildew and can begin to look chalky or the paint color may fade. As mentioned before 100 percent acrylic latex paint is the best paint to use to paint aluminum siding. The best way to address these issues is to repaint the siding.

If you notice any peeling paint scrape it away to make the siding smooth. Support wikihow today for just 0 99. You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones.