Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to install a ...

Q-My one-story house had little or no insulation in the outside walls, so I had insulation blown into them to cut down on heating costs. Now the paint on the outside is blistering and someone told me ...

Imagine a cold, wet, windy day. You can take an umbrella to protect you from the water alone, but that won’t deal with the cold (temperature) or the wind (air convection). You can add in a light ...