How To Get Algae Off Roof

There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

How to get algae off roof.

Theoretically rainwater picks up algae killing ions and spreads them over the roof. A less expensive and less extreme method is to create a cleaning solution for the roof. To do this mix 50 percent water with 50 percent bleach. This option only makes sense if the shingles are already worn out and ready to be replaced.

The roof algae is doesn t harm the shingles but looks bad. In reality the protection falls short because algae can still feed off humidity when it s not raining. A copper strip at the top of the roof can prevent future roof algae. You might think that pressure washing is the best way to remove algae.

After all the copper granules are lethal to algae. However the force of the water can cause your shingles to lose their protective granules. How to get rid of algae on the roof you could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae. But you don t have a lot to lose by trying it.

The wind can blow a spore onto your roof and from there it will take off if the conditions are conducive enough. Most cases of roof algae or fungus start with a single spore finding its way to your home. Thousands of roof on homes and other buildings suffer from black streaks. Pressure washing can even tear shingles off your roof.

The inorganic materials found in your roof will allow the algae to survive spread and darken. But that would only make sense if the shingles were worn out. Softwashing to remove roof algae moss. How to clean algae and moss from a roof apply the bleach solution with a garden sprayer.

This is the only safe way to effectively remove algae and moss from roof shingles. Let it stand on the surface for about 20 minutes then rinse it off with spray from a garden hose. A mixture of trisodium phosphate tsp bleach and water will also remove stains. There are two ways to slow the regrowth process.

Don t let the bleach solution stand on the roof for more than 30 minutes or so without rinsing. To remove roof algae a solution of oxygen bleach can be applied to the roof shingles and then rinsed off. We use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county. Hose off the area with plain water spraying at a downward angle.

Some homeowners also try to get rid of algae by using bleach. One is to install zinc or copper strips along the entire ridge.