Mix water and mild detergent for stubborn areas.
How to spray a roof from the ground.
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.
Should i just stop dreaming and get a long extension ladder to get up there.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.
Will any of these work.
And none are necessarily more right or wrong than the other.
For every part water combine 0 05 part mild dish or laundry detergent.
Then spray the roof beginning at the ridge and working downward.
With most good cleaners that s all you need to do.
Here s how i do it.
I mix up my cleaner in bug sprayer container and spray it all over the roof.
Run the water for a moment until the moss killer begins to flow out.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile.
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.
Just spray it on and leave it.
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.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Ask ten different roof cleaning contractors how they spray a roof and you will probably get ten different answers.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
Is there a better way.
Maintain a consistent flow of moss killer down the line.