This method helps prevent the paint from dripping and developing streak marks. Just my 2 cents. Home The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. I buy unplated "plain finish" fasteners and threaded rod at the local Fastenal stores. In either case, use a nylon or plastic brush, since other brushes can interact with your steel and change its color. Rub in small circles. Let the metal soak in the vinegar solution, for a whilethen dispose of the liquid and pour some fresh vinegar into the container. In a bucket, mix 2 gallons of water and a half cup of dish soap. Apply steady and even pressure when sanding the galvanized steel. % of people told us that this article helped them. Since most spray paints contain alkyds, it tends to be difficult to spray paint galvanized steel successfully. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). For painting galvanized metal, apply an even coat of Ultra Spec HP D.T.M. Then clean the material again with warm water and soap. By signing up, you agree to the our terms and our Privacy Policy agreement. Spray paint is a thin paint that must be applied in thin layers. Go to source Dip a bristle brush in the mixture. These compounds can leach out into the atmosphere where they can cause corrosion on unprotected surfaces such as galvanized metal roofs where they are then deposited on the roof. The information they store is not sent to Pixel & Tonic or any 3rd parties. Apply a bit of metal polish to a cloth. Set the item on its side in the vinegar for about 30 minutes and then flip it over to treat the other side. Humans do require zinc. Don't rub the stuff all over open wounds. unlocking this expert answer. Are you wondering if you can achieve the look yourself instead of paying a crazy amount for it? place your metal in the plastic tub. Any other water-based spray paint will require priming to help the spray paint better adhere to the metal. Display as a link instead, Pull on a pair of disposable rubber gloves to prevent substances like chemical cleaners and latex paint from getting on your hands while you work. You will need to thoroughly rinse the galvanized metal after scrubbing off any debris. To learn how to use car- or truck-wash solutions or a chemical passivating treatment to clean your galvanized steel, read on! You should follow the above-mentioned steps for prepping the metal (cleaning, sanding, and applying vinegar). White vinegar is both effective and non-toxic, so it is much safer to use than your average industrial solvent. Our vision is a world where every woman feels empowered to be her best self. I use a container with a lid, and put a string down so the lid doesn't seal tight. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Galvanized steel is dipped in zinc to prevent rusting. You will also need a sponge, a rubber glove, and a plastic bag or another disposal unit to cover the area where you are working. You will need a container that can hold at least 1 liter of liquid. You will probably want to apply at least two coats of paint, but up to four or five might be necessary if your metal roofing material is particularly rusty. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/81\/Clean-Galvanized-Steel-Step-1-Version-2.jpg\/v4-460px-Clean-Galvanized-Steel-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/8\/81\/Clean-Galvanized-Steel-Step-1-Version-2.jpg\/aid1422555-v4-728px-Clean-Galvanized-Steel-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"