Roof Algae Bleach

Fill the reservoir on a garden sprayer with the cleaning solution.

Roof algae bleach.

Moss and algae breakdown these protective layers shortening the lifespan of your roof. Bleach is particularly bad because it will get underneath your shingles and leave behind a tough dirty residue as it dries. Roof cleaning using chemicals like chlorine bleach and tsp trisodium phosphate as a cheap roof cleaning spray to make your shingles look new again is not advisable. Take a scrub brush lightly scrub the shingles.

How to use bleach to clean a shingle roof. No pressure washers please. Pour the contents directly from the. The oxygen bleach starts to go ahead and attack the roof algae.

Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures. Roof stains return in as few as 9 months and the roof mold is worse than before. This creates a false foundation underneath the shingles of your roof. 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.

Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket. Then once the shingles are clean you go ahead and take a hose and just rinse the roof off. Apply more solution if you have to to get a nice workable solution. It s really that simple.

It does its best to kill it and take away the stains. 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. Rainwater and runoff adhere to this residue eventually escalating the very moss and 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.

Bleach and other detergents however do the same thing.