http://www.plastermagic.com | Before you get started on any plaster wall repair project, it's important to know what a lath and plaster wall looks like. Rory Brennan takes us behind the wall to see how plaster stays attached and what makes this centuries-old construction method so special. Big Wally's Plaster Magic reinforces the original plaster wall design, permanently restoring dried plaster. It's available at http://www.plastermagic.com.