1. Coat the walls with the lighter of two colors and let dry.
2. Mark the spacing of the stripes, 12-18 inches apart. Use a level to draw vertical lines through your marks. Lay painter’s masking tape along the vertical lines and press down with your fingernail or credit card to seal the adhesive. Click here for our trick that prevents paint from seeping under the tape—and ensures crisp stripes.
3. Paint the wall the darker shade, let dry, and recoat. Remove the tape, and touch up lines with an artist’s brush if necessary.

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