Soft wash roof cleaning how to wash your roof safely best roof wash method video link you can share of this video https youtu be owkh b0brt8 in this video.
Pressure washer to clean 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.
The average garden hose sprays water at 40 to 80 psi.
This is very effective at getting rid of algae and mildew both of which often grow on metal roofs.
By comparison a fire hose sprays at 150 to 300 psi.
Nothing will ever get a roof as clean as when it is physically washed down with a pressure washer but this method will get the roof pretty darn close let s say 85 90 cleaner.
Of laundry strength liquid chlorine bleach and water.
To do this apply the solution to the roof and let it dry then apply one more coat and leave the roof for mother nature to wash.
This is the best way to clean a roof if you have asphalt shingles.
6 best pressure washer for roof cleaning in 2020 1.
We recommend hot water because metal roofs can handle it and hot water is more effective.
Always stand on a dry area of the roof as wet shingles can be very slippery.
Pressure cleaning a roof when done properly using rotary cleaning equipment is safe cost effective and will not force water through or under tiles as the jet angle is controlled and always points away and down the roof rather than into or all over the place which is the case when blasting with a lance or wand is used.
This homeowner attempted to clean his roof and you can see the granules that were removed due to his imprope.
Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.
For starters we never recommend.
Start with a medium pressure spray pattern and adjust from there accordingly.
Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface.
You only need low pressure on metal roofs as it is enough to disturb and clean them.
Ar annovi ar390ss reverberi good for house.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Use low pressure to spray it clean.
Start off with a hot water pressure with a 40 degree tip.
Tempting as it might be to blast away unsightly moss and algae using a pressure washer to clean your roof is dangerous not to mention potentially damaging.
Use a pressure washer which can loosen shingles and seriously damage your roof.
The runners up are the dependable ar annovi reverberi ar390ss pressure.