Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime and chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful things from your roof.
How to power wash your roof.
Bring your garden hose or water sprayer up to the roof.
Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.
Mix water and mild detergent for stubborn areas.
Start by cutting away any overhanging or protruding tree branches to allow the roof to receive plenty of sun and.
This is because the water comes out too forcefully and can damage the material.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
Soak the shingles with water.
The two main methods for roof cleaning are.
This is the best way to clean a roof if you have asphalt shingles.
Always stand on a dry area of the roof as wet shingles can be very slippery.
For every part water combine 0 05 part mild dish or laundry detergent.
Of laundry strength liquid chlorine bleach and water.
Test the power washer on a.
Not to mention using a pressure washer from a high place is dangerous.
Start with a medium pressure spray pattern and adjust from there accordingly.
Use low pressure to spray it clean.
Never pressure wash your roof if you have asphalt shingles.
Use a pressure washer which can loosen shingles and seriously damage your roof.
The power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip.
This keeps the solution from drying out immediately after application.
The water pressure will remove the granules that are important for protecting your roof.
Remove debris and any obstructions from the gutters and make sure that the water will drain freely.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
How to prepare your roof for pressure washing 1.