The more the roof is exposed to sunlight the less chance algae have to spread.
How to clean algea off roof.
For a more enduring solution a strip of copper or zinc sheet metal can be installed on the side of the roof.
Allow the solution to soak into the shingles for at least 15 minutes.
Here s how to clean the.
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.
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.
Put on rubber gloves and a breathing mask before proceeding you so you can.
The jet tip nozzle will reach surfaces up to 30 so you don t need to use a ladder to get onto your roof.
You can physically remove the invasive plants with a long handled scrub brush as long as you are careful with the shingles.
Copper and zinc inhibit the growth of algae.
Never use a.
With either method you want to make sure you work down the roof along with the shingles not against.
If you have algae that s leaving dark stains on your roof clean it easily with wet forget hose end.
Make your shingles last longer.
Step 3 check for cleanliness and rinse.
Do shingles on your north west or other shaded roofs have streaky moldy stains.
You can also use a pressure washer but that may break sensitive shingles.
Cleaning step 2 make and apply the bleach solution.
Since algae prefer to grow in moist shaded areas keep trees around the house trimmed back.
There are different ways to clean moss and algae off of a roof.
Roof cleaning with wet forget is easy as you can apply it with your feet firmly planted on the ground.