Use a cloth or sponge to clean.
Homemade metal roof cleaner.
4 cups of warm water.
For every part water combine 0 05 part mild dish or laundry detergent.
But when water alone won t cut it try mixing 1 4 cup detergent including mild laundry detergents car washing soap mild dish soap per gallon of water.
Lightly scrub the surface until the area is free of mildew or mold.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.
1 8 cup to kill the roots of the moss so you would not have to scrub the roof but simply rinse with a hose.
Dip a soft brush or rag in the cleanser and apply to affected areas.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
1 2 cup of rubbing alcohol.
To make this natural cleaner for a car windshield or for the windows in your rv mix the ingredients and pour the solution into a spray bottle.
Let stand for 5 to 10 minutes.
While it s always good to check with the specific metal roofing manufacturer below is a simple home cleaning remedy useful for most metal roofs based on guidance from leading mra members.
Apply the solution to the roof surface using washcloth sponge a soft bristle brush and or non abrasive pad.
2 tablespoons of cornstarch.
Mix water and mild detergent for stubborn areas.
If water alone isn t enough to remove common dirt and debris mix 1 4 cup detergent including mild laundry detergents car washing soap mild dish soap per gallon of water.
1 4 cup of lemon juice.
Rinse the surface well with plain water.
For roofs that have a heavy buildup of roof moss can you add some copper sulfate to the mix aprox.
Spray the mirrors and windows and wipe clean.