How To Clean Mold And Mildew Off Roof Shingles

Cleaning due to evidence of permanent asphalt shingle damage caused by high pressure powerwashing.

How to clean mold and mildew off roof shingles.

Inspect the roof for any remaining fungus. You can successfully clean shingles by using oxygen bleach. 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. To clean mold off a roof start by putting on rubber gloves a breathing mask and goggles to protect yourself from the harsh cleaning chemicals.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Stained shingles take away from the overall neat appearance of the exterior of the home. You must let the roof dry before a second application of mix. Bleach can effectively clean roof shingles and remove even the toughest stains.

Mold or mildew makes black ugly streaks on a roof. A mixture of trisodium phosphate tsp bleach and water will also remove stains. Roof shingles become dirty over time. Algae mold mildew moss and dirt are often attracted to shingles.

Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach. They are exposed to wind rain and other weather elements that not only cause dirt to form on the shingles but also mold and mildew. Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle. How to clean mold off a roof.

These stains will discolor your roof and damage the shingles over a period of time if left alone. If it is slimy or any sort of residue comes off on your hand repeat the above steps. Now if you live where cleaning off mildew from exterior surfaces is a constant chore the just hit the moss with the same bleach solution. That ll kill it off but won t inhibit regrowth so just rewet the roof with the bleach solution whenever cleaning off the rest of the place.

Allow the roof to dry thoroughly. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.