There s still more preparation to address before painting aluminum siding.
Sanding aluminum siding before painting.
Over time the aluminum siding builds up mildew and can begin to look chalky or the paint color may fade.
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.
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.
Apply paint multiple coats and.
Sand down the siding.
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.
You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones.
Before sanding scrape loose and flaking paint from the siding.
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Use a scraper to remove loose paint from the siding working from every direction.
Sand the metal surface with coarse then fine grit sandpaper.
In this video toh expert shares his tips and demonstrates how you clean and prepare the surface for painting.
Then prime the aluminum with an oxidizing primer made specifically for metal which will help inhibit rust from forming in the future.
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.
If a section has more severe damage you may need to replace it with a new section of aluminum siding.
Thoroughly clean the aluminum and let dry.
Pound in any protruding nail heads.
If you notice any peeling paint scrape it away to make the siding smooth.
Then paint with two coats of acrylic paint.
Another way to prepare the siding is by sanding it down to clean up the surface.
Potential of siding damage water injected under siding or dirt remaining on house.
Wash any areas where you have repaired the siding before proceeding.
As mentioned before 100 percent acrylic latex paint is the best paint to use to paint aluminum siding.
You may want to use rough sandpaper 80 grit and then gradually finish with fine sandpaper 220 grit to even the surface.
Help the scraped areas blend in by gently sanding the edges.
Apply self etching primer let dry then sand again.
Make sure you sand down in only one direction.
