How To Get Algae Off Roof

This option only makes sense if the shingles are already worn out and ready to be replaced.

How to get algae off roof.

The inorganic materials found in your roof will allow the algae to survive spread and darken. After all the copper granules are lethal to algae. Some homeowners also try to get rid of algae by using bleach. In reality the protection falls short because algae can still feed off humidity when it s not raining.

The wind can blow a spore onto your roof and from there it will take off if the conditions are conducive enough. The roof algae is doesn t harm the shingles but looks bad. You might think that pressure washing is the best way to remove algae. But you don t have a lot to lose by trying it.

A less expensive and less extreme method is to create a cleaning solution for the roof. But that would only make sense if the shingles were worn out. 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. This is the only safe way to effectively remove algae and moss from roof shingles.

How to clean algae and moss from a roof apply the bleach solution with a garden sprayer. Hose off the area with plain water spraying at a downward angle. Then use a long handled soft bristle scrub brush to remove the moss from the roof scrubbing from the top down to avoid lifting. Softwashing to remove roof algae moss.

A mixture of trisodium phosphate tsp bleach and water will also remove stains. To remove roof algae a solution of oxygen bleach can be applied to the roof shingles and then rinsed off. How do i get rid of 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.

Thousands of roof on homes and other buildings suffer from black streaks. One is to install zinc or copper strips along the entire ridge. We use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county. Pressure washing can even tear shingles off your roof.

However the force of the water can cause your shingles to lose their protective granules. There are two ways to slow the regrowth process. Let it stand on the surface for about 20 minutes then rinse it off with spray from a garden hose. A copper strip at the top of the roof can prevent future roof algae.

Don t let the bleach solution stand on the roof for more than 30 minutes or so without rinsing. Most cases of roof algae or fungus start with a single spore finding its way to your home.