When to paint your exterior. If the paint’s starting to fade and you paint it in a timely way, the wood survives. But when it goes past a certain point, the oils and resins come out of the wood, and the wood is basically degraded and sometimes the wood needs to be replaced. Waiting on wood can cause irreparable damage. For more tips, visit us on YouTube “idahopainters” www.idahopainter.com