Then connect up the leaf blower and blast the leaves off the roof.
How to remove oak leaf rust from metal roofs.
You ll need a fairly concentrated solution of about 1 pound of acid per gallon of water.
Remove surface rust by scrubbing it with a wire brush and sanding it with 80 grit wet dry sandpaper.
Lightly scrub the surface until the area is free of mildew or mold.
Use a wire brush to scrub away the rust spots.
Rinse the surface well with plain water.
Neutralize the rust that s left by painting the affected area with rust inhibitor.
Dip a soft brush or rag in the cleanser and apply to affected areas.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
You can get the stains up and have your pavers looking like new in no time.
If your pavers have been stained by oak leaves don t fear.
I m not sure if any of you have seen an air rake used to blast leaves and paper trash off sidewalks but that s the idea only this would be installed and clamped in place.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
The leaves that drop on the pavers can cause stains and oak trees cause especially dark stains.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.
After removing the rust rinse.
The rust should just drain away.
Apply it to the rusted areas as a spray using a hose with a spray bottle attachment.
I like the garager s idea better.
How to remove roof rust with phosphoric or hydrochloric acid.
Chemically treat mold then sweep it off with a soft broom.
You can blow the leaves off a low pitched roof with a leaf blower.
When needed use a short piece of 1 pvc pipe.
To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons.
On steeper roofs you can pull them off with a broom on an extension pole or better yet use a roof rake for leaves.
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.
And it s wise to trim back all branches that are close to or touching the shingles.
Phosphoric acid is actually a rust converter in that it turns iron oxide or rust into ferric phosphate a black coating.
Sweep away any leaves or other debris that may be on the roof.