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.
Moss off roof products.
Power wash roof optional alternatively you can use a power washer 100 the home depot to clean away moss but there are several caveats to consider.
Algae and moss growth on roofs at a minimum is an unsightly nuisance.
Its recommended anyone cleaning moss off a roof should do it on a cloudy day.
Can have moss and algae accumulate on their roofs.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
Rinse the roof thoroughly with cool water.
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.
People who live in all parts of the nation and have roofs made from all sorts of materials wood metal asphalt clay or concrete tiles etc.
Those places that receive more rainfall and have sustained high levels of humidity have more moss and algae growth as the moss and algae need water to grow and multiply.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Moss build up can lead to roof damage or shingle blow off if left unchecked.
When applying roof cleaning products onto a roof on a hot sunny day it will quickly evaporate and you won t get the desired result.
Hose off and brush all moss loose from your roof shingles.
If moss or algae becomes visible clean the roof.
Brush the solution and moss off the roof with the scrub brush working from the top down.
Most roof cleaning products require at least 20 minutes for it to absorb into the moss.
It s a bit like putting a plastic bag around the moss to cut off its life support.
Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program.
Remove remaining moss with a scrub brush and rinse the roof again.