Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Installing insulation in walls is one of the most efficient and cost-effective ...

Many homes, both old and new, either have had attics converted to third-floor living spaces or have original top floors with cathedral-type ceilings. Typically, fiberglass insulation is installed ...

Insulation works by having many tiny air pockets. These air pockets are not good heat conductors and, therefore, reduce heat conduction through the insulation. Insulation also reduces heat radiation ...