Insulating exterior walls with new insulation in a hidden wall cavity during an upgrade is challenging. Insulating outside walls cavities with injection foam shows promise as one solution. It’s not ...

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 ...

Getting hit with a huge utility bill is unpleasant, but it’s even worse when you know that it’s high due to heat or air conditioning loss through the doors, windows, or walls. Fitting exterior walls ...