How To Remove Oxidation From Metal Roof
Once the chalk is removed and the metal roof looks good when it is clean and wet then 2 coats of everbrite are applied to restore the color and luster of the roof.
How to remove oxidation from metal roof. Remove the particles or pieces that are causing the rust stains. If possible sandblast your roof. Metal roofing oxidation removal sandblasting. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
The results will most likely satisfy you. Use a rag to apply to affected spots and use circular wiping motions. Abrasive pads that will remove the chalk but will not scratch the paint are included with the kits below. To remove severe rust stains.
5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water. First the chalk and oxidation need to be scrubbed off.