Sanding Aluminum Siding Before Painting

Before sanding scrape loose and flaking paint from the siding.

Sanding aluminum siding before painting.

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. Help the scraped areas blend in by gently sanding the edges. There s still more preparation to address before painting aluminum siding.

Then paint with two coats of acrylic paint. You may want to use rough sandpaper 80 grit and then gradually finish with fine sandpaper 220 grit to even the surface. Apply self etching primer let dry then sand again. Thoroughly clean the aluminum and let dry.

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. If a section has more severe damage you may need to replace it with a new section of aluminum siding. Another way to prepare the siding is by sanding it down to clean up the surface.

You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones. As mentioned before 100 percent acrylic latex paint is the best paint to use to paint aluminum siding. Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks. Sand the metal surface with coarse then fine grit sandpaper.

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. Pound in any protruding nail heads. Sand down the siding. Over time the aluminum siding builds up mildew and can begin to look chalky or the paint color may fade.

Make sure you sand down in only one direction. Wash any areas where you have repaired the siding before proceeding. 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. The best way to address these issues is to repaint the siding.

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. Then prime the aluminum with an oxidizing primer made specifically for metal which will help inhibit rust from forming in the future. If you notice any peeling paint scrape it away to make the siding smooth.