When temperatures drop, you usually feel it first not in the walls, but in the tiny gaps where cold air sneaks in and warm air slips out. Instead of tearing into drywall or budgeting for a major ...

You've probably heard of foam being used to cover flat roofs on many Arizona homes. It's roofing that keeps out rain but also reflects heat. Foam also plays a big role in insulating many newly built ...

As readers of this column know, I’ve come down fairly hard on certain types of foam insulation over the years. The downsides include the blowing agents used in extruded polystyrene (XPS) and most ...