Q: I’m installing rigid foam insulation around the exterior of the foundation of my home in New Hampshire. I’m installing 3 inches of it to a depth of 10 to 13 inches below grade to keep the heat in ...

Q. I am currently installing rigid foam insulation around the exterior of my foundation. I'm installing 3 inches of it to a depth of 10-13 inches below grade to keep the heat in and the cold out. I ...

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 ...

Q: We need more space, so we built a new garage and will convert our old one into a bedroom. We are also considering finishing the basement. What is the best way to insulate these solid masonry walls?

Q Can I install ceramic tile over rigid foam insulation on a floor? I’m planning to put 2” of rigid foam over an existing subfloor on a raised building with no basement, then another layer of plywood ...