How Do You Remove Algae From Roof Shingles

How to remove algae from roof shingles pacific west roofing here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.

How do you remove algae from roof shingles.

We use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county. Before applying the cleaner spray the roof with water to cool it down. A mixture of trisodium phosphate tsp bleach and water will also remove stains. Hey gotta have a plan b.

You may think you have roof algae when really you have moss mildew or mold. The only way to take care of it is to use a high base chemical solution like zinc sulfate. That ll prevent the cleaner from drying out too quickly. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.

There are a ton of leaves dust and algae on my roof. Hose off the area with plain water spraying at a downward angle. Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof. Allow the mixture to sit on the shingles for 15 minutes then rinse the roof well with water from the garden hose.

It is only advisable to use a pressure washer because you no longer need to worry about the condition of the old roof. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done. This is the only safe way to effectively remove algae and moss from roof shingles. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Roof algae generally have a black green hue. Then spray the cleaner onto the shingles photo 1. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.

We use chemical solutions that are approved as safe from shingle manufacturers and a low pressure soft wash technique that doesn t cause damage. Thank you for this. Your roofers will need to remove all the shingles on your old roof or they may need to remove the largest chunks of moss with a pressure washer and then apply the new roof. I ll make sure to use a mixture of trisodium phosphate bleach and water to remove the stains and algae.

I hope this will work because if not then maybe a roof cleaning service will be able to fix this matter. Then use a long handled soft bristle scrub brush to remove the moss from the roof scrubbing from the top down to avoid lifting. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles.