What Causes White Spots On Vinyl Siding

Black spots on siding.

What causes white spots on vinyl siding.

It s on the porch my windows but it is worse on the 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. This article discusses common causes of stains or discoloration found on vinyl building siding. It goes all the way up to my second story windows and is even under my soffit and on my gutters.

This can potentially create a dull and chalky appearance. Vinyl siding stain diagnosis. The spores dotting your house may not fit in with your redecorating plans but they won t cause any structural damage or grow there. 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.

Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. They just won t let go. My grille cover was held on by two plastic nuts white cheap but they matched the filter cover.

I am trying to find them now lo. The black tar like spots that are all over your vinyl siding are more than likely a fungus called sphaerobolus stellatus better known as artillery or shotgun fungus although it s most often found on the east coast it can grow anywhere and especially thrives in areas that have cool damp springs or rainy fall weather conditions.