How To Get Algae Off Roof

Thousands of roof on homes and other buildings suffer from black streaks.

How to get algae off roof.

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. We use chemical solutions that are approved as safe from shingle manufacturers and a low pressure soft wash technique that doesn t cause damage. Most cases of roof algae or fungus start with a single spore finding its way to your home. A copper strip at the top of the roof can prevent future roof algae.

However the force of the water can cause your shingles to lose their protective granules. After all the copper granules are lethal to algae. There are two ways to slow the regrowth process. To remove roof algae a solution of oxygen bleach can be applied to the roof shingles and then rinsed off.

The wind can blow a spore onto your roof and from there it will take off if the conditions are conducive enough. Softwashing to remove roof algae moss. You might think that pressure washing is the best way to remove algae. How to clean algae and moss from a roof apply the bleach solution with a garden sprayer.

The inorganic materials found in your roof will allow the algae to survive spread and darken. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor. Then use a long handled soft bristle scrub brush to remove the moss from the roof scrubbing from the top down to avoid lifting. We use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county.

Let it stand on the surface for about 20 minutes then rinse it off with spray from a garden hose. In reality the protection falls short because algae can still feed off humidity when it s not raining. Theoretically rainwater picks up algae killing ions and spreads them over the roof. Pressure washing can even tear shingles off your roof.

How do i get rid of algae. Some homeowners also try to get rid of algae by using bleach. 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. This is the only safe way to effectively remove algae and moss from roof shingles. One is to install zinc or copper strips along the entire ridge. But you don t have a lot to lose by trying it.

But that would only make sense if the shingles were worn out. A mixture of trisodium phosphate tsp bleach and water will also remove stains.