Cut rigid foam insulation into strips with a table saw or a circular saw. Cut the strips to fit between floor joists using a box cutter. How to Finish a Basement: Framing and Insulating Run a bead of ...

Q: Should we insulate the rim-joist cavities of a crawlspace foundation? I am a builder, and where I live the codes require insulation, but I have discovered that the insulation causes decay and mold ...

Q: We recently had an energy audit of our 2009 home because our utility bills seem to grow each year. In addition to sealing some areas the insulators missed, the auditor pointed out that the floor ...

Q: My question is about foam insulation. I went to a meeting about insulating attics, and the speaker said that you could seal up the entire attic with foam with no ill effects. He would spray the ...