This pressure will erode a surface layer causing it to be more porous.
Safe way to clean roof in south florida.
Just spray it on and leave it.
Even some soft roof washing companies sometimes opt to use high pressure washers for small periods of time on certain areas of roofs.
Therefore low pressure roof cleaning is the safest and most effective way to clean a roof.
The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
With most good cleaners that s all you need to do.
Using high pressure to clean a tile roof is a crude and invasive form of cleaning.
Since pressure washing water does not kill the mold mildew and algae your roof will get dirty within 6 months.
Here s how i do it.
These black stains are called gloeocapsa magma a type of algae.
This is the best way to clean a roof if you have asphalt shingles.
This allows dirt mold and mildew to accumulate and grow faster.
Of laundry strength liquid chlorine bleach and water.
Use a pressure washer which can loosen shingles and seriously damage your roof.
This method is stressful on your roof.
It s either a soft wash or it s a high pressure wash there are no in betweens 2.
By marcel rosen president fiddler roof cleaning did you ever wonder what the black stains on a dirty south florida roof are.
Most roof and pressure cleaning services use high pressure power washing devices to remove these stains.
Never allow any contractor to use a south florida high pressure washer on your roof.