How To Clean A Metal Roof On A House

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How to clean a metal roof on a house. Lightly scrub the surface until the area is free of mildew or mold. We recommend mixing a cup of detergent which can include car washing soap or mild dish soap with a gallon of water. Tsp is available in most paint or home improvement stores. 1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.

Dip a soft brush or rag in the cleanser and apply to affected areas. To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons. Clean the mold and mildew mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket. Cleaning a metal roof.

Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean. If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp. Rinse the surface well with plain water. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.

Then you ll just need to apply to solution to your metal roof with a sponge microfiber cloth or soft bristle brush and let it sit on the surface for 5 10 minutes. When you re ready to get started spray your roof using a garden hose with a spray nozzle attachment starting at the top of the roof and blasting downward so the dirty water runs off the sides.