Think you can renovate better and chaper than a contractor? Do you live in the Los Angeles area? Then HGTV’s popular new renovation show Professional Grade is looking for you. The goal is for you to find high-end materials on the cheap, do most of the labor yourself, and hire and manage subcontractors — such as...
Looking at the wall below, or a wall in your home, you may wonder: Is it insulated? Short of tearing down the drywall/sheetrock to...

