Remove Mildew From Roof Shingles

When that happens it is generally caused by mildew algae mold or dirt stains.

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. It is not uncommon for roof shingles to turn black over time. City water is generally 80 100 psi. Remove black stains from roof shingles to preserve the appearance of your home s roof.

One way to determine if it s mildew is to put a few drops of chlorine bleach on to the black mark. Apply a storebought or diy cleaning solution to remove the moss. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. If it s dirt the dark stain will remain but if it s mildew the stain will go away.

Each shingle on the roof is rinsed. A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew. The pressure on the shingle is less than 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.

Mold stains can form on roof shingles that are in permanent shade. These stains will discolor your roof and damage the shingles over a period of time if left alone. The broom allows me to cover 24 at a time at the full flow rate of whichever pressure washer i m using. Once the wash kills the algae it needs to be well rinsed to remove it from your roof.