When used on a flat tip it is very effective and quick to get rid of algae mildew mold and other debris.
Pressure washer osphate cleaning concentrates for metal roofs.
This is very effective at getting rid of algae and mildew both of which often grow on metal roofs.
Lightly scrub the surface until the area is free of mildew or mold.
The power of pressure washers can be too much of a good thing.
The mold armor e z multi purpose pressure washer concentrate powers away is a power washer cleaning solution that kills mold and mildew and cleans away the toughest dirt and grime.
We use a 5 5 gallon system just for this reason.
Rinse the surface well with plain water.
Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more.
1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.
We recommend hot water because metal roofs can handle it and hot water is more effective.
Tsp can be very difficult to mix hot water is recommended but not needed here is a simple method.
Discover the best ways to remove rust mold and algae from metal roofing without damaging it.
Mixing tsp for roof cleaning.
You don t need a very high pressure to clean a metal roof and we recommend not using more pressure than is needed so that you don t damage the roof.
Start off with a hot water pressure with a 40 degree tip.
For severe cases a stronger cleaning solution with bleach tsp or oxalic acid may also be required.
When mixing the tsp with bleach for roof cleaning you will want to use a pressure washer with the black soft spray chemical injector tip.
We recommend one with a 40 degree tip.
Learning how to clean a metal roof is as easy as using a pressure washer and soap.