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 ...

Internal wall insulation isn't for every home. While it's easy to assume insulating every surface will lead to greater energy efficiency, this surprisingly isn't the case. Best suited to homes with ...

IF YOUR home was built after 1920 but not in the last 10 years then it might be an un-insulated cavity wall house. If there is a small gap or `cavity' between the two layers of walls, they are `cavity ...