Best Way To Clean Metal Barn Siding For Painting

For aluminum siding use a pressure washer set on low to spray the metal siding and rinse the rust off.

Best way to clean metal barn siding for painting.

Galvanized metal roofs shed more easily than shingles or tiles and this makes them useful in places where leaf acorn and pine and. Then rinse off the siding again with clean water. As an experiment rub a clean white cloth across the unwashed siding. Chemicals you might use on wood or vinyl siding can cause damage to steel.

Even after pressure washing you may still find that a thin layer of dirt remains on the siding. How to paint a galvanized metal roof with sherwin williams. The cloth will likely come up dark gray with a layer of fine soot. This will be the cleaning solution to clean your steel siding.

Allow it to dry for two or more days before continuing. Mix 1 3 cup laundry detergent to 6 gallons of water. Use tsp to wash all metal surfaces to be painted. Add liquid soap to the water to get the grime off.

It can also irritate your lungs. Tsp can burn skin and irritate eyes. Tsp is technically known as trisodium phosphate and is a strong cleaner that removes dirt and wax on metal. While a power washer might be a little too aggressive for wood or vinyl unless you re a professional it s the best tool for cleaning steel siding.