Repainting Galvanized Siding

Paint applied over this oily surface or clear passivator will peel quickly.

Repainting galvanized siding.

There are a few different methods of doing this depending on how good of a job you want to do how much time and energy you have and how large of an area you are doing. It also helps to peel away the previous paint on the steel siding leaving it neat and clean. The best cordless vacuum for pet hair. This will help clean away all the dirt that accumulates on the steel siding.

Step 1 clean the steel siding. Once dry remove the plastic sheeting and masking tape. Wash the steel siding with trisodium phosphate tsp and use a pressure washer to rinse thoroughly. Things you ll need chemical degreaser distilled white vinegar lint free cloth high grit sandpaper or wire brush exterior latex primer exterior latex paint paintbrush or roller rubber gloves.

The first step includes cleaning. Possible cause new galvanized metal a product used to make corrugated sheets gutters and downspouts is usually smooth and is coated with either a layer of oil to prevent white rust or is passivated. Apply the acrylic paint to the wall on top of the primer in the same way you applied the primer to the metal siding. Wait for this layer of paint to dry and then apply a second coat.

Prime the surface with a primer made for metal. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick.