Never pressure wash your roof if you have asphalt shingles.
Power washing roof stains.
Plus chlorine bleach is a corrosive agent that can damage metal roof flashings gutters and downspouts.
Roof stain removed without harmful power washing.
Not to mention using a pressure washer from a high place is dangerous.
Not only is this method damaging to your shingles it s also not an effective way to remove roof stains from algae.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
While specialized eco friendly roof cleaners are available they are a little more.
Spray your cleaning solution.
Starting from the bottom.
Roof washing makes your roof look new again.
Mix your cleaning solution.
We don t recommend that approach.
It can lighten the color of your roof and bleach anything the overspray contacts.
Bring your garden hose or water sprayer up to the roof.
But here s the kicker.
This is because the water comes out too forcefully and can damage the material.
Some roof cleaning contractors use high pressure power washing methods to attempt to remove roofs stains.
Shingle cleaning without harmful bleach often used by roof cleaners.
Soak the shingles with water.
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The dark stains are created by algae for protection against sunlight like sunscreen.
The water pressure will remove the granules that are important for protecting your roof.
They blast away on your roof blowing the protective granules off as they go.
Just spray on with garden pump sprayer.
Even at low pressure a power washer can seriously damage shingles.
And the runoff harms plants.
Roof be clean roof cleaning product for roof stains due to roof algae roof mold roof mildew.
Cleaning moss and algae 1.
Get rid of stains with low pressure power washing 100 satisfaction lifetime warranty.
Clean and protect your roof.
Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.
This homeowner attempted to clean his roof and you can see the granules that were removed due to his imprope.