Paint Chalking Aluminum Siding

Steps for painting aluminum siding 1.

Paint chalking aluminum siding.

If the paint color comes off on your hand the paint is chalking. Rub siding with cloth to check for powdery paint pigment and mildew. Here s how to prepare the surface and choose your paint. Not adequately sealing a porous surface.

A siding brush has soft bristles that won t scratch the paint or gouge the aluminum like other hard brushes. One of the hardest surfaces to prep is a aluminum or vinyl siding that is chalky. One of the most important aspects of a paint job is the prep work. The primer should be 100 percent acrylic and specifically manufactured for outdoor painting.

Factory finished siding can develop an excessively thick chalk layer and may require power washing to ensure complete chalk removal. This is called chalking and essentially is the existing paint breaking down from the weather. Scrub off the chalk with a strong solution of water and spic and span or tsp detergent or a nonphosphate tsp alternative. If after two tries of hand scrubbing or power washing there is still chalk on the surface simply use a primer before repainting the aluminum siding.

This particular brush has a hole in the end for water to pass through. First it seals the aluminum to prevent the chalky oxidation from happening under your paint. If your aluminum siding has developed a chalky residue or is faded stained or just plain the wrong color fear not. Chalky surfaces will cause the paint not to adhere correctly to the surface and will cause premature peeling.

Use of a low grade highly pigmented paint. Second primer creates a uniform surface that is ideal for paint adhesion. Primer does two important things. Primer is one of the most important steps when painting aluminum siding.

Inspect the siding for mildew powdery paint pigment and mildew. This oxidation that occurs on aluminum siding results in the build up of a chalk like substance on the siding itself which can easily be seen by wiping your hand across the aluminum. It doesn t take much effort to scrub away the debris once the tsp has loosened it up. Use of an interior paint for an outdoor application.

If you need to paint aluminum siding choose a day when the weather is at least 50 f 10 c and dry since moisture from rain or dew will ruin a new paint job. Then paint with two coats of acrylic paint. You can paint it. Coat your roller in primer and roll quickly and evenly along the panel of siding then roll backward in the opposite direction.

The key to painting aluminum siding is to get it. Have you ever wondered if you can paint aluminum siding. Aluminum should be painted with a self etching primer designed for metal. Some exterior paints such as those used on aluminum siding intentionally chalk for self cleaning.

There are several steps in dealing with a chalky surface to ensure a long lasting paint. Wipe the surface with the palm of your hand.