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 ...

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?

Learn how to effectively install a vapour barrier, warm roof insulation, and manage a greasy sandwich for optimal energy efficiency in your home. This step-by-step guide will help you create a ...

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 ...