Back in 2008 i cleaned my shingles with a contractor grade roof cleaner.
How to soft wash roof cleaning.
Using a balanced method of lower pressure 45 psi proper products and allowing cleaning solution the time it needs to clean soft washing eliminates the problem instead of merely spraying at damagingly high pressures for an initial surface fix.
The surfactants used for soft wash cleaning seep into the nooks and crannies of a roof and soften and dissolve thick dirt mud sand and even storm debris.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Do not pressure wash your roof.
Soft wash roof cleaning do s and dont s.
I mixed the product with water sprayed it onto the shingles with a pump sprayer then after 30 minutes rinsed it off with a wide spray on my pressure washer green tip i think.
This is the best way to clean a roof if you have asphalt shingles.
This year i am looking to clean my rood shingles a second time but i keep running across soft wash roof cleaning.
Of laundry strength liquid chlorine bleach and water.
Algae and mold grow on roofs in humid climates especially in areas with.