Rainwater and runoff adhere to this residue eventually escalating the very moss and algae.
Roof algae bleach.
Apply more solution if you have to to get a nice workable solution.
It s really that simple.
Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket.
The oxygen bleach starts to go ahead and attack the roof algae.
No pressure washers please.
How to use bleach to clean a shingle roof.
Which is exactly why you want to remove moss in the first place.
Pour the contents directly from the.
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.
Bleach is particularly bad because it will get underneath your shingles and leave behind a tough dirty residue as it dries.
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.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
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.
Use an extra long paint stirrer or.
Bleach and other detergents however do the same thing.
Fill the reservoir on a garden sprayer with the cleaning solution.
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.
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.
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.
Then once the shingles are clean you go ahead and take a hose and just rinse the roof off.
It does its best to kill it and take away the stains.