Quite possibly the most cost-effective way to overhaul a room and solve boring wall problems, PVC casing can make a big impact for less. PVC molding is water-proof, rot, and termite resistant, making it extremely durable with minimal upkeep. Great for use over paneling edges or framing out recessed designs on the wall, because it cuts like real wood without splintering or cracking and it does not require any special tools.