Repainting Galvanized Gutters

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

Repainting galvanized gutters.

Without primer the paint may cause the gutter itself to rust and fade much faster. Combine 2 tablespoons 30 ml of mild soap with 8 cups 1 9 l of water. 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. In this video i will show the technique on how to paint gutters using a brush.

Stand on a ladder directly underneath the gutters. 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. Galvanized gutters and downspouts have to be properly prepared so they don t rust. Both the downspouts and gutters need to be painted on outside and the gutters on their insides as well.

Move the stepladder as necessary and continue scraping the old loose paint from the entire gutter system. This gets the surface ready to accept the paint improving the sticking and preventing the gutter from too much damage. One of the biggest things when painting gutters is the w. 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. However the gutter s trough cannot be painted with regular paint as it is not designed to be immersed in water. Use the extension ladder to gain access to the gutter which needs to be painted. Paint applied over this oily surface or clear passivator will peel quickly.

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. How to paint 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. Scrub the gutters with mild soap and water if you don t have a power washer.

Use a large cloth and sponge and apply a copious amount of water based cleaning agent. The first step in preparing galvanized gutters for painting is to clean them thoroughly. Position a stepladder under the gutters. You cannot paint anything without applying a coat of primer.