Painting Galvanized Siding

Determine if the siding has been previously painted and what kind of paint has been used.

Painting galvanized siding.

Start by cleaning the. Galvanized steel will not react to latex paint like aluminum. Do not use alkyd based paints or oil based primer. Because of its smooth slick zinc coated finish galvanized steel can be tricky to paint.

Before you jump right into it it s critical to prep the nonstick surface so it can hold paint. Galvanized steel is less prone to rust since it has a special zinc coating which needs to be thoroughly cleaned and roughened so that the primer paint will adhere to it properly. Beside this the zinc content of the galvanized coating reacts with paint s binder to create a film that causes the paint to peel source. Alodine is a clear liquid that can be wiped on then rinsed with plain water.

It will create a conversion coat that will allow paint to adhere properly without degrading the galvanize. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. Therefore it s important to follow the correct procedure when painting galvanized. Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint.

Many paint manufacturers offer multi purpose enamel or a direct to metal paint. Painting galvanized steel and other metal siding for galvanized steel or other metals you can use latex or acrylic paint. If crawling around on a metal roof in the hot sun does. Painting galvanized steel is a simple enough job but it does require some specific tools and materials.

The last time i purchased it was about 12 for a quart which will probably do galvanized trim on several. How to paint galvanized steel. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. It can also be used for preparing aluminum for paint.

The paint that you choose will depend somewhat on how well you prepared your metal siding to receive the paint and what the surface of it looks like. It ll save you loads of time. Galvanized steel also requires special surface treatments before painting. When working with pre painted wood or engineered wood siding paint the tops of coil stock galvanized nails to match the color of the house before loading them into the coil gun.

Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. This hint comes from professional siding installers. Galvanized steel should not be painted with oil based paint.