Enhance the look of your bare aluminium crutches by refinishing them with paint. Before you begin, consider an important point about surface adhesion: although wood crutches are porous, making them relatively well-suited for paint adhesion, aluminium crutches are nonporous and require special preparation to ensure the paint adheres properly. If you want paint to stick to your crutches, treat the aluminium with a special etching primer, formulated with an acid base. Once the crutches are primed, they'll accept their new finish. Paint the crutches with a durable enamel, or the finish may fail.
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Things you need
- Water-based degreasing cleanser
- Coarse sponge
- Professional painter's tape
- Dust sheet
- Metal etching spray primer
- Acrylic spray enamel
Use a sponge to wash the aluminium crutches with a water-based soap. Rinse the crutches with wet rags and dry them with towels.
Cover portions of the crutches you don't want painted with painter's tape.
Place the crutches on a fabric dust sheet.
Coat the aluminium crutches with etching spray primer. Maintain eight inches between the crutches and the spray nozzle as you apply. Allow the aluminium to dry for two hours.
Coat the aluminium crutches with acrylic spray enamel. Maintain eight inches between the crutch and spray nozzle as you apply. Allow the aluminium to dry for two hours.
Tips and warnings
- Do not use acrylic or latex primer on an aluminium crutch, or the finish will flake.
- Be sure to maintain eight inches between the crutch and the spray nozzle to prevent the paint from sagging.
- Do not paint an unprimed aluminium crutch, or the paint will peel.