Repainting Galvanized Gutters

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.

Repainting galvanized gutters. 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. Scrape off any flaking paint with a plastic putty knife. Rub the gutter with a firm amount of pressure to remove oil specks and other substances which could make painting tricky. Stand on a ladder directly underneath the gutters.

Dip a horsehair brush or a brush with soft bristles in the soapy water and scrub down the gutters well. Use a large cloth and sponge and apply a copious amount of water based cleaning agent. One of the biggest things when painting gutters is the w. Use the extension ladder to gain access to the gutter which needs to be painted.

This gets the surface ready to accept the paint improving the sticking and preventing the gutter from too much damage. However the gutter s trough cannot be painted with regular paint as it is not designed to be immersed in water. The plastic putty knife does not scratch aluminum like a metal putty knife or steel wire brush. Combine 2 tablespoons 30 ml of mild soap with 8 cups 1 9 l of water.

Scrub the gutters with mild soap and water if you don t have a power washer. Without primer the paint may cause the gutter itself to rust and fade much faster. In this video i will show the technique on how to paint gutters using a brush. Cut sheets of galvanized steel using tin snips to fit over any holes larger than the head of a nail.

The first step in preparing galvanized gutters for painting is to clean them thoroughly. Move the stepladder as necessary and continue scraping the old loose paint from the entire gutter system. You cannot paint anything without applying a coat of primer. Both the downspouts and gutters need to be painted on outside and the gutters on their insides as well.

How to paint gutters. 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. Position a stepladder under the gutters. Paint applied over this oily surface or clear passivator will peel quickly.