Removing moss and algae from asphalt shingles.
How to remove mold from asphalt shingle roof.
Apply liquid cleaners with a hand pump sprayer or with a pressure washer on the lowest setting so as not to cause any damage to the shingles.
Start from the top shingle and rinse downward to prevent water seepage.
Before applying the cleaner spray the roof with water to cool it down.
Once it does then you can safely remove it with a leaf blower.
The copper granules in combination with rainwater have a mild chemical reaction that prevents mold and mildew.
Then spray the cleaner onto the shingles photo 1.
Start from the top shingle and rinse downward to prevent water seepage.
Run your gloved hand over the shingles to check for any slimy mold remaining after you re finished rinsing.
Step 4 spray on commercial products that you apply and leave on are also available.
Gradually it will loosen from the roof shingles.
If some remain apply the cleanser again wait 10 more minutes and repeat the rinse process.
That ll prevent the cleaner from drying out too quickly.
If some remains apply the cleanser again wait 10 more minutes and repeat the rinse process.
A homemade cleaner of one part liquid chlorine bleach to one part of water can also be effective in removing and killing moss that clings to the roof tiles.
Next rinse the shingles thoroughly with a garden hose at low pressure.
Applying asphalt roofing shingles containing a copper additive in their surface granules is an option.
Never use a pressure washer to wash or rinse shingles.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.