You can also use a pressure washer but that may break sensitive shingles.
How to clean algea off roof.
Copper and zinc inhibit the growth of algae.
Never use a.
The jet tip nozzle will reach surfaces up to 30 so you don t need to use a ladder to get onto your roof.
For a more enduring solution a strip of copper or zinc sheet metal can be installed on the side of the roof.
Roof cleaning with wet forget is easy as you can apply it with your feet firmly planted on the ground.
Allow the solution to soak into the shingles for at least 15 minutes.
Step 4 take precautions.
You can physically remove the invasive plants with a long handled scrub brush as long as you are careful with the shingles.
Here s how to clean the.
With either method you want to make sure you work down the roof along with the shingles not against.
Step 3 check for cleanliness and rinse.
Make your shingles last longer.
If you have algae that s leaving dark stains on your roof clean it easily with wet forget hose end.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
The more the roof is exposed to sunlight the less chance algae have to spread.
Since algae prefer to grow in moist shaded areas keep trees around the house trimmed back.
To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
Put on rubber gloves and a breathing mask before proceeding you so you can.
How to clean roof stains wash your shingles where the sun doesn t shine.
Cleaning step 2 make and apply the bleach solution.