Painting Galvanized Metal Garage Doors

Acrylic latex exterior house paint is the best choice but be sure to choose a high quality paint.

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. Make sure to allow each coat of paint to dry before you apply the next. 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. Both the oil and the rust need to be removed before you can paint your galvanised metal garage doors.

Do not use sandpaper deglossers or liquid sandpaper to prepare the door surface. Go over the entire door until all the white rust is removed. Metal garage doors can be painted by brush or by roller but if using a roller try and use one with natural fibers rather than man made. Scrub the surface of the garage door with a wire brush.

Use a powder cleanser like comet diluted with water with a soft bristle brush to prepare the surface for better paint adhesion. Then use a primer specifically how to repaint a steel garage door 1 2 3 72 door access systems spring 2017 continued on. Use a high quality acrylic latex exterior paint. Rinse thoroughly with water and allow it to dry.

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.