How Do You Remove Mildew From Roof Shingles

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.

How do you remove mildew from roof shingles.

A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew. To remove the algae from asphalt shingles you have a few options. How to clean mold off a roof. But that would only make sense if the shingles were worn out.

It s easy to let a mold problem sneak up on you on in out of the way places like the roof of your home. No pressure washers please. These stains will discolor your roof and damage the shingles over a period of time if left alone. They re likely to damage the shingles.

It is not uncommon for roof shingles to turn black over time. You could use regular household bleach to remove the algae from your roof. Spray wash the roof with a 50 mix of water and bleach to get rid of the algae. Just because you can t see it however doesn t make it any less dangerous.

One way to determine if it s mildew is to put a few drops of chlorine bleach on to the black mark. They call it the algaeblock system. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. When that happens it is generally caused by mildew algae mold or dirt stains.

At best slimy black mold. How to remove algae from asphalt shingles. Remove black stains from roof shingles to preserve the appearance of your home s roof. Also when using a power washer you will need to stand on the roof above the mold so you can point the power washer in a downward direction.

You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae. 3m is not a manufacturer of asphalt shingles just the granules. 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. You can find more information on these special roofing shingles here.

Mold stains can form on roof shingles that are in permanent shade. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. First you need to ensure that roof shingles and tiles are not broken chipped or damaged as water applied at a high pressure is likely to amplify the damage and seep through any cracks. If it s dirt the dark stain will remain but if it s mildew the stain will go away.