Painting Galvanized Metal Garage Doors

In most cases a single coat of paint is all it takes but keep in mind it could take more than one coat to provide good coverage if you re painting the garage doors a color that s lighter than the original color.

Painting galvanized metal garage doors.

Rinse thoroughly with water and allow it to dry. Both the oil and the rust need to be removed before you can paint your galvanised metal garage doors. Before priming the steel door test the surface for adequate intercoat adhesion see page 74. You may also need to clean the door with a degreaser if the metal is oily as discussed in our article on how to paint galvanized metal.

If your galvanised metal garage door is brand new you will not have to do this since the rust hasn t formed yet. Acrylic latex exterior house paint is the best choice but be sure to choose a high quality paint. Go over the entire door until all the white rust is removed. Use a powder cleanser like comet diluted with water with a soft bristle brush to prepare the surface for better paint adhesion.

Next prime any bare spots with a latex primer designed for use on galvanized metal then topcoat the door with a high quality exterior acrylic latex paint. Then use a primer specifically how to repaint a steel garage door 1 2 3 72 door access systems spring 2017 continued on. Make sure to allow each coat of paint to dry before you apply the next. Re apply several coats of paint until the metal is completely coloured with no metal shining through.

If you have exposed metal do not destroy the galvanized surface. Scrub the surface of the garage door with a wire brush. Use a high quality acrylic latex exterior paint.