Repainting Galvanized Gutters

The plastic putty knife does not scratch aluminum like a metal putty knife or steel wire brush.

Repainting galvanized gutters.

Cut sheets of galvanized steel using tin snips to fit over any holes larger than the head of a nail. Galvanized gutters and downspouts have to be properly prepared so they don t rust. Paint applied over this oily surface or clear passivator will peel quickly. How to paint gutters.

You cannot paint anything without applying a coat of primer. For the best possible paint job it s wise to apply a corrosion resistant metal primer to galvanized gutters and downspouts but if no rust was found a primer isn t absolutely necessary if you are applying 100 acrylic latex paint. Dip a horsehair brush or a brush with soft bristles in the soapy water and scrub down the gutters well. Combine 2 tablespoons 30 ml of mild soap with 8 cups 1 9 l of water.

In this video i will show the technique on how to paint gutters using a brush. This gets the surface ready to accept the paint improving the sticking and preventing the gutter from too much damage. Once the metal has been cleaned and is dry prime it using an exterior multipurpose latex primer or a latex primer that is made specifically for galvanized metal. Both the downspouts and gutters need to be painted on outside and the gutters on their insides as well.

Scrub the gutters with mild soap and water if you don t have a power washer. 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. One of the biggest things when painting gutters is the w. Use a large cloth and sponge and apply a copious amount of water based cleaning agent.

Use the extension ladder to gain access to the gutter which needs to be painted. Wear gloves to protect your hands and use the profile of the gutter to shape the strip of metal. Position a stepladder under the gutters. Without primer the paint may cause the gutter itself to rust and fade much faster.

Rub the gutter with a firm amount of pressure to remove oil specks and other substances which could make painting tricky. Move the stepladder as necessary and continue scraping the old loose paint from the entire gutter system. 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. The first step in preparing galvanized gutters for painting is to clean them thoroughly.