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: My heating ducts are in the cellar, and the small ones that go to individual rooms are between the joists. How can I insulate them? The trunk lines (big rectangular ones) are under the joists. How ...

Question: 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 ...

Q:Our Mill Valley house was built in 1957 and was not insulated. Every time a wall is opened up, we add insulation. Some say it would be a good idea to insulate the floor of our house. There is a ...

I have two rooms with marble tile floors. One is over an unheated crawlspace; the other is over an unheated basement. The floors were installed before there was the option of putting warming pads ...

Q: My single-level, end-unit condominium, built in the early 1980s, is always cold, despite the fact that the outside walls are insulated and the windows are double glazed. I have a gas furnace in the ...

Q: I have a room with a crawlspace under it about 20 inches high. The room has 12-inch floor joists, with rolled batt insulation. I’d like to insulate the block walls to reduce the amount of thermo ...

Like so many of us, my brother-in-law is tightening his belt, looking for ways to stretch a dollar. With higher energy prices, I wasn't surprised when he called the other night and asked about putting ...

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 ...