Remove Mildew From Roof Shingles

Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside not to worry though because you can clean the mold off with basic household bleach and save.

Remove mildew from roof shingles.

The pressure on the shingle is less than 100 psi. If it s dirt the dark stain will remain but if it s mildew the stain will go away. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae.

One way to determine if it s mildew is to put a few drops of chlorine bleach on to the black mark. Once the wash kills the algae it needs to be well rinsed to remove it from your roof. Mold stains can form on roof shingles that are in permanent shade. Apply a storebought or diy cleaning solution to remove the moss.

It is not uncommon for roof shingles to turn black over time. City water is generally 80 100 psi. A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles. The high powered water jets can damage shingles and remove the shingle granules that protect the roof.

These black streaks are unsightly and can diminish the appearance of the entire exterior of the home. A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew. Remove black stains from roof shingles to preserve the appearance of your home s roof. These stains will discolor your roof and damage the shingles over a period of time if left alone.