With most good cleaners that s all you need to do.
How to spray a roof from the ground.
Clean your roof by removing any debris and dirt that may have accumulated from valleys snow guards gutters and the area behind the chimney.
Cleaning roofs safely from the ground.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
Then spray the roof beginning at the ridge and working downward.
Will any of these work.
Here s how i do it.
If regular inspections at roof level are not viable homeowners can conduct visual inspections from the ground using binoculars.
I m thinking there must be some combination of attachments that would allow me to spray the roof from the ground but i don t have any experience with pressure washers and don t know what i would need.
It will rinse off the next time it rains.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
Maintain a consistent flow of moss killer down the line.
Just spray it on and leave it.
Run the water for a moment until the moss killer begins to flow out.
Top to bottom side to side from the ladder from the ground only one application two applications two applications with a spot follow up and on and on the list goes.
The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile.
Mix water and mild detergent for stubborn areas.
Should i just stop dreaming and get a long extension ladder to get up there.
I mix up my cleaner in bug sprayer container and spray it all over the roof.
Ask ten different roof cleaning contractors how they spray a roof and you will probably get ten different answers.
And none are necessarily more right or wrong than the other.
To apply wet moss killer attach the garden hose to the container.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.