How To Remove Algae From Roof Shingles

Each strip you clean should only be 4 feet wide.

How to remove algae from roof shingles.

You do not want to be standing on a wet part of the roof as you clean. Specialized stain blockers offer resistance for up to three years. Softwashing to remove roof algae moss we use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county. Always be on a dry section as the cleaning solution is slippery.

As with algae using a pressure washer is not recommended. That ll prevent the cleaner from drying out too quickly. Apply a stain blocker. Search for roofing algae and moss blockers at a home improvement store.

While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. After you clean your roof spread the stain blocker according to the directions on the label. A bleach and water solution either sodium hypochlorite or oxygen bleach can remove roof moss as well as algae. This is the only safe way to effectively remove algae and moss from roof shingles.

Algae stains can be removed by cleaning though they usually return. Spray the oxygen bleach solution on the roof working in strips from top to bottom of the roof. To remove roof moss you can use one of several different diy solutions in a household spray bottle. Before applying the cleaner spray the roof with water to cool it down.

There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor. Then spray the cleaner onto the shingles photo 1. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.