Chalked Paint And Oxidized Aluminum Vinyl Graphics

Use of a low grade highly pigmented paint.

Chalked paint and oxidized aluminum vinyl graphics.

Dyes also break down at different rates depending on color. A dull chalky paint finish comes off when touched and makes a home s exterior paint job look dated. Paint will not stick to a dirty surface. How to seal chalky exterior paint.

Chalking due to oxidation is the paint s natural response to. Chalky surfaces will cause the paint not to adhere correctly to the surface and will cause premature peeling. Over thinning a coating e g. There are several steps in dealing with a chalky surface to ensure a long lasting paint job.

A chalky white substance on your vinyl siding and trim is caused by oxidation which occurs most often during damp or wet weather. If your vinyl surface is clean the paint or primer will adhere to the vinyl rather than the dirt and you will have a longer lasting finish. Use of an interior paint for an outdoor application. Often the chemical breakdown or oxidation of plastic leaves behind a chalk like residue that lends a whitish appearance to the color making it look bleached.

You can also use a primer between the vinyl and the paint. Not adequately sealing a porous surface. One of the hardest surfaces to prep is a aluminum or vinyl siding that is chalky. Factory finished siding can develop an excessively thick chalk layer and may require power washing to ensure complete chalk removal.

One solution for dry faded plastic is to use a vinyl restorative product on it.