Primer For Galvanized Gutters

Use a latex based primer.

Primer for galvanized gutters. Apply the primer over all areas of the gutter with a large paintbrush. They are available in 10 and 20 lengths in both k style and half round galvanized rain gutter profiles. Allow the first coat of primer to dry and apply a second coat. 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.

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. Galvanized gutters particularly the zinc coating on the gutter should hold up for decades before there are any signs of corrosion. The next step is to prime the galvanized gutters prior to the top coat of paint. 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.

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. New galvanized gutters new galvanized metal usually has a thin invisible film that causes paint problems.