An insulated basement or crawl space provides many benefits year-round, and the rim joist (or band joist) is often a focal point in energy-saving initiatives. Installing insulation at the rim joists ...

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 ...