Is Using Spray Foam Behind Drywall Actually Worth It?
Deciding to put spray foam behind drywall is usually born out of a cold winter night when you realize your living room feels more like a walk-in freezer than a cozy sanctuary. It's one of those projects that sounds like a total game-changer for your utility bills, and honestly, it often is. But before you go out and buy a kit or call a contractor, you've got to understand that shoving foam into a finished wall isn't quite as simple as just pointing a nozzle and pulling a trigger. ...