To remove severe rust stains.
How to clean a metal roof from the ground.
Cleaning a metal roof.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
Mix water and mild detergent for stubborn areas.
Cleaning la s totally awesome vs.
If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Remove the particles or pieces that are causing the rust stains.
Use a cloth or sponge to clean.
Mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket.
Opt for something soft to protect your roof s paint and parts.
Tsp is available in most paint or home improvement stores.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar.