What Causes White Spots On Vinyl Siding

The vinyl siding institute yes there really is such an organization offers some helpful and specific tips for dealing with stubborn moldy spots on your siding.

What causes white spots on vinyl siding.

This article discusses common causes of stains or discoloration found on vinyl building siding. Black spots on siding. Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. I am trying to find them now lo.

A major cause of vinyl discoloration is the oxidation of the chemicals in the vinyl over time due to exposure to sunlight and acid rain. Over time and through repeated changes in weather vinyl siding will attract and develop mold or mildew spots especially in north facing and other shaded areas. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining. This can potentially create a dull and chalky appearance.

It goes all the way up to my second story windows and is even under my soffit and on my gutters. Vinyl siding stain diagnosis. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. It s on the porch my windows but it is worse on the siding.

They just won t let go. My grille cover was held on by two plastic nuts white cheap but they matched the filter cover.