How Do You Remove Mildew From Roof Shingles

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.

How do you remove mildew from roof shingles.

To remove the algae from asphalt shingles you have a few options. It is not uncommon for roof shingles to turn black over time. 3m is not a manufacturer of asphalt shingles just the granules. A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew.

If it s dirt the dark stain will remain but if it s mildew the stain will go away. When that happens it is generally caused by mildew algae mold or dirt stains. 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. You can find more information on these special roofing shingles here.

This unique advance in shingle technology gives long term fungus protection for the entire roof. No pressure washers please. 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. These black streaks are unsightly and can diminish the appearance of the entire exterior of the home.

Spray wash the roof with a 50 mix of water and bleach to get rid of the algae. They call it the algaeblock system. You could use regular household bleach to remove the algae from your roof. Mold stains can form on roof shingles that are in permanent shade.

One way to determine if it s mildew is to put a few drops of chlorine bleach on to the black mark. 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 to clean mold off a roof. 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.

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. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. At best slimy black mold. These stains will discolor your roof and damage the shingles over a period of time if left alone.

Just because you can t see it however doesn t make it any less dangerous. However at the time of this writing they do list a number of companies that. They re likely to damage the shingles. But that would only make sense if the shingles were worn out.