Cleaning due to evidence of permanent asphalt shingle damage caused by high pressure powerwashing.
How to remove mold from your roof shingles.
Working on or near a roof is dangerous particularity when it s wet and slippery.
You must let the roof dry before a second application of mix.
But once the algicide wears off your roof hosts an.
Don t use a pressure washer to clean or rinse your roof.
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.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
Finally rinse your shingles with water to wash away the chemicals.
They re likely to damage the shingles.
For more tips like how to prevent mold from growing on your roof keep reading.
How to remove algae from asphalt shingles.
You could use regular household bleach to remove the algae from your roof.
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.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
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.
Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.
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.
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.
To remove the algae from asphalt shingles you have a few options.
Mold stains can form on roof shingles that are in permanent shade.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
No pressure washers please.
Inspect the roof for any remaining fungus.
Allow the roof to dry thoroughly.