1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.
Remove mold from metal roof.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
How to remove moss lichen from the roof with vinegar.
Fill a 2 gallon bucket with warm water and detergent.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Either laundry detergent or dish detergent will work.
Scrub away the thickest buildup.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
How to remove mold from metal step 1.
In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water.
Dip a soft brush or rag in the cleanser and apply to affected areas.
Use a stiff brush such as a pushbroom to scrape away any stubborn mold or lichen patches.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
Spraying the roof 1.
Spray the entire roof thoroughly.
Use a sponge to scrub visible mold from.
Put on rubber gloves and a breathing mask before proceeding so you can protect your skin and your lungs from the fumes produced by both bleach and trisodium phosphate.
Clean up any organic matter on the roof such as twigs leaves or other debris.
In addition exterior mold can easily work its way into the house if left unchecked.
To get rid of mold and other types of growth for good it s best to use a powerful.
Mix up your cleaning solution.
Then add one tablespoon of trisodium phosphate tsp and mix well.
In addition to rotting and possibly damaging your roof.
Put on gloves and a protective mask.
External mold can do significant damage to exterior surfaces over time eating away at wood stucco and other materials.
Lightly scrub the surface until the area is free of mildew or mold.
Ventilate the area in which you will be cleaning the metal.
Rinse the surface well with plain water.
But outdoor heavy duty cleaning usually calls for more heavy duty mixtures such as tsp and chlorine bleach see the tsp page for more details or specialty additives such as jomax from rustoleum which combines a cleaner with a bleach activator.
You ll want to remove mold from the outside of your house on siding or on your deck as soon as possible.