For any areas that don t wash away with pressurized water fill a bucket or other container with water.
How to clean a steel roof.
Mix water and mild detergent for stubborn areas.
For every part water combine 0 05 part mild dish or laundry detergent.
Washcloth sponge soft bristle brush non abrasive pad.
Use a cloth or sponge to clean.
Never mix chemicals together.
There should always be at least one other person present when getting.
If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp.
When a panel section is clean rinse the washed panels with fresh water.
Spray the roof with the diluted substance and let it sit for about an hour.
Vinegar bleach ammonia and salt will all effectively change the ph level of your roof allowing you to clean it.
If a panel becomes difficult to clean continue rubbing longer but do not increase pressure.
Soak a heavy cloth or sponge with glasswax.
The following are great tools to clean your metal roof with.
Clean the mold and mildew mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket.
Tsp is available in most paint or home improvement stores.
Never never never get on top of your roof alone.
Use only one of these substances mixed with water at a time.
Beginning at the bottom portion of a panel section wipe in a left to right motion until clean.