Painting Galvanized Metal Garage Doors

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.

Painting galvanized metal garage doors.

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. If you have exposed metal do not destroy the galvanized surface. 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. Use a powder cleanser like comet diluted with water with a soft bristle brush to prepare the surface for better paint adhesion.

If your galvanised metal garage door is brand new you will not have to do this since the rust hasn t formed yet. Before priming the steel door test the surface for adequate intercoat adhesion see page 74. Rinse thoroughly with water and allow it to dry. 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. Use a dull putty knife to remove all loose residue and rust. Do not use sandpaper deglossers or liquid sandpaper to prepare the door surface. 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.

Then use a primer specifically how to repaint a steel garage door 1 2 3 72 door access systems spring 2017 continued on. Go over the entire door until all the white rust is removed. Both the oil and the rust need to be removed before you can paint your galvanised metal garage doors.