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 ...

Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...

What do you do if you’re a builder and your client (that would be me) hands you a material that no one’s ever heard of, let alone installed in this country, and asks you to insulate his house with it?

Because warm air rises, the attic is the best place to start, particularly for those in colder climates. But any living space adjacent to the outdoors or, say, a transitional space such as a garage ...

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 ...