To avoid damaging a metal roof following the precautions given here and consulting with a roofing contractor are the best ways to prevent metal roof damage.
How to work from roof without damaging shingles.
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Upon walking on these shingles shoe tread tears away these granules.
The shingles will roll up like a ball in front of the fork.
Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof.
Use a water sprayer to apply enough force to dislodge algae and moss without damaging the shingles.
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Aren t glass because the lamination process does not work well for these.
There are precautionary measures to take if you walk and work on a metal roof.
If your roof has sprouted a moss infection you can remove it before it becomes serious enough to impact the performance of your roof.
Push the shingles down to the roof jacks.
Move back and forth in even strokes making sure you reach all of the cleaner.
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They will wear away your shingles.
Moss is tough and typically you will not be able to remove it by hand.
Asphalt and architectural shingles have small granules of asphalt that assist in drainage off and away from the roof.
It is extremely important to ensure that the outsoles of the shoes are free of dirt debris or small rocks.
There is no need to walk on the roof unless it is for the rare and occasional repair.
However you can use a chemical solution to loosen the moss without damaging the shingles.
Remove shingles in a 2 to 3 ft wide section as you work down the roof.
In case of a lightly stained roof a garden hose may also be enough.
Power washers should never be used.
Clean your shoe bottoms from dirt and small rocks.