Painting Galvanized Steel Fence Posts

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

Painting galvanized steel fence posts. This is by are the easiest way to paint pipe fence. Polish the metal with ammonia and sand any rough areas. Painting over hot dip galvanized steel free download from aga affil. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.

Firstly cold galv is for mild steel and should never be applied to galvanized iron. Galvanized metal is made from a piece of steel or similar which is then dipped into molten zinc. Clean the surface with warm or hot soapy water. Painting galvanized steel posts.

Here are directions on painting galvanized metal. Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly. In addition most galvanized metal is coated with a slippery layer of oil to help prevent corrosion. We are building a new farm fence with galvanized steel posts.

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. This gives it an extra coat which will protect it from hot and cold weather. This layer prevents paint from adhering unless you know how to eliminate it before you get started. If you need to paint galvanized fence posts use the proper preparation techniques for a long lasting finish.

Chain link fences are typically silver colored galvanized steel. How should i prep steel gal posts for painting. The surface that has been painted. Avoid using alkyd based paints such as spray paint on galvanized steel.

On the downside a galvanized fence can be prone to rust and peeling along with other kinds of damage meaning that you will have to repaint it every so often. Galvanized metal is not easy to paint because of the oil based rust preventing coating. In fact roughly 69 of steel is recycled in north america each year. Link latex self etching primer.

The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent. How to paint galvanized metal. Our contractor says we can t paint the posts white like the rest of the fence because the paint won t adhere and it won t look. Any metal primer will be oil based and oil based paints to not cope with the zinc coating.

Thanks for this info rebuilder86 really helpful. Although the galvanized links and posts are rust resistant they can deteriorate to the point where you need to refinish the fence. Paint that has lost its adhesion to a galvanized metal substrate e g.