Painting Galvanized Steel Gutters

How to paint galvanized steel.

Painting galvanized steel gutters. 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. They can be soldered at the joints or pop riveted and sealed with a seam sealer. Galvanized steel gutters will hold up in extreme cold and hot temperatures and are particularly popular in areas with snow and ice. Because of its smooth slick zinc coated finish galvanized steel can be tricky to paint.

Start by cleaning the. The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent. Make sure you spray at a downward angle and rinse thoroughly. Galvanized gutters particularly the zinc coating on the gutter should hold up for decades before there are any signs of corrosion.

On older galvanized metal surfaces where the zinc coating has begun breaking down known as white rust use a wire brush or fine sandpaper to remove the chalky film before cleaning it. After your done washing you need to rinse the soap off with your water hose. Paint that has lost its adhesion to a galvanized metal substrate e g. Galvanized gutters galvanized metal is iron or steel that has a thin coating of zinc on it to help prevent rusting and it is commonly used for gutters downspouts and flashing.

Fixing cracks are the easiest. The acids in the vinegar will etch the metal in preparation for painting. Galvanized gutters are made from hot dip steel and have been effectively used for more than 150 years. In fact roughly 69 of steel is recycled in north america each year.

The surface that has been painted. The value of hot dip galvanizing stems from the relative corrosion resistance of zinc which under most conditions is considerably better than iron and steel. Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly. New galvanized gutters new galvanized metal usually has a thin invisible film that causes paint problems.

Before you paint your steel gutters you want to repair any holes or cracks in them. How to instructions you can trust. The acid in the vinegar will act to etch the metal and help the paint adhere. Rub the gutter with a firm amount of pressure to remove oil specks and other substances which could make painting tricky.

Allow the galvanized gutters to dry and do the same thing with a little vinegar.