How To Remove Mold From Your Roof Shingles

Mold stains can form on roof shingles that are in permanent shade.

How to remove mold from your roof shingles.

While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. Hose off and brush all moss loose from your roof shingles. Working on or near a roof is dangerous particularity when it s wet and slippery. Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.

You must let the roof dry before a second application of mix. If it is slimy or any sort of residue comes off on your hand repeat the above steps. The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles. How to remove algae from asphalt shingles.

Finally rinse your shingles with water to wash away the chemicals. For more tips like how to prevent mold from growing on your roof keep reading. Allow the roof to dry thoroughly. No pressure washers please.

Don t use a pressure washer to clean or rinse your roof. But once the algicide wears off your roof hosts an. 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. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. It will remove surface granules from asphalt shingles shortening their useful life and may even void your shingle warranty. 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.

You could use regular household bleach to remove the algae from your roof. Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty. After that spray the solution on your roof let it sit for 15 20 minutes then scrub off the mold. Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.

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