- 1). Cut away any vegetation that could interfere with your ability to paint the window wells, using hedge trimmers.
- 2). Scrub the window wells with a degreaser, using a coarse brush. Rinse the wells with a water hose, and allow them to dry out.
- 3). Abrade the window wells to encourage adhesion by coating them with galvanized metal etching primer. Apply the primer with a 3- to 4-inch latex paintbrush. Allow the etching primer to dry and cure for at least four hours.
- 4). Wash the brush with water.
- 5). Apply a coat of exterior acrylic latex paint to the window wells, using the cleaned 3- to 4-inch latex paintbrush. Allow the paint to dry for two hours, and then apply another coat if you can see the etching primer showing through.
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