Roof Algae Bleach

The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.

Roof algae bleach.

How to use bleach to clean a shingle roof. 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. Pour the contents directly from the. Take a scrub brush lightly scrub the shingles.

Moss and algae breakdown these protective layers shortening the lifespan of your roof. Rainwater and runoff adhere to this residue eventually escalating the very moss and algae. Bleach and other detergents however do the same thing. Fill the reservoir on a garden sprayer with the cleaning solution.

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. It s really that simple. Bleach is particularly bad because it will get underneath your shingles and leave behind a tough dirty residue as it dries. The oxygen bleach starts to go ahead and attack the roof algae.

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. Which is exactly why you want to remove moss in the first place. This creates a false foundation underneath the shingles of your roof. Roof stains return in as few as 9 months and the roof mold is worse than before.

Then once the shingles are clean you go ahead and take a hose and just rinse the roof off. Use an extra long paint stirrer or. It does its best to kill it and take away the stains. Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket.

No pressure washers please.