When inexperienced amateurs try painting over existing paint, they often end up with peeling or poor coverage. Paints that have a high sheen tend to reject adhesion. To promote a lasting durable finish, you must first encourage adhesion by abrading the old finish using the proper technique. To encourage better coverage, you may want to apply a base primer. Before hurrying into an exciting home remodeling project, learn the proper way to promote adhesion and coverage before attempting to paint over paint, or you may end up with streaking and/or rampant finish failure.

By Jim Dugan
Professional Contractor
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Tips & Warnings
• Do not apply oil-based paint over the top of flexible latex or acrylic finishes, or cracking may ensue.
• Never apply paint directly over underprepared glossy finishes, or expect peeling.