Usually found on contractor grade siding.
Vinal siding bleeding.
The right way to clean vinyl siding dip the cloth or brush into the solution and scrub the siding until you see noticeable changes.
The sun will heat up the nail heads and discolor the vinyl siding.
This article discusses common causes of stains or discoloration found on vinyl building siding.
To prevent streaking start at the bottom and work up towards the top.
Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.
Rinse with water from top to bottom often as you go to avoid uneven drying and spotting.
The spots or discolor on the vinyl siding are from nail heads behind the vinyl siding.
Though you want to scrub hard to get rid of the grime be gentle with the siding as too much pressure may crack it.
Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures.
Since it was first introduced in the late 1950 s vinyl siding has gained popularity due to its versatility strength and ability to weather the elements.
Vinyl siding stain diagnosis.
A chalky white substance on your vinyl siding and trim is caused by oxidation which occurs most often during damp or wet weather.