How To Clean A Green Metal Roof

This video is not promoted or intended to be a definitive sa.

How to clean a green metal roof. Use only one of these substances mixed with water at a time. Learn a few basics on how to clean a metal roof. If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp. Spray the roof with the diluted substance and let it sit for about an hour.

Metal roof cleaning is difficult and dangerous. Mix water and mild detergent for stubborn areas. Never mix chemicals together. Tsp is available in most paint or home improvement stores.

Remove the particles or pieces that are causing the rust stains. When a panel section is clean rinse the washed panels with fresh water. Clean the mold and mildew mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket. To remove severe rust stains.

Empty the sprayer and fill it back up with fresh water or snake the garden hose around to where you are. If a panel becomes difficult to clean continue rubbing longer but do not increase pressure. Vinegar bleach ammonia and salt will all effectively change the ph level of your roof allowing you to clean it. To remove difficult algae spots use only a wet cloth sponge or low pressure washer.

Sweep the stream over every part of the roof that you just sprayed to wash away the concentrated chemicals. Use a rag to apply to affected spots and use circular wiping motions. To remove algae and moss growth from the roof dissolve one cup of ammonia for every 5 gallons of water used and work from the top to the bottom. Beginning at the bottom portion of a panel section wipe in a left to right motion until clean.

For every part water combine 0 05 part mild dish or laundry detergent. 5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar. Any remaining traces will dry naturally in a few hours. Use a cloth or sponge to clean.