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:I am strengthening my house in the crawl space by putting oriented strand board (OSB) shear panels on the cripple wall from the mudsill to the floor joists. I am wondering if the same application ...

Q: I have a crawlspace under my house. Last fall, I put insulation between the joists of one room to try to warm the floor somewhat. I put roll insulation between joists and nailed 4-by-8 ½-inch foam ...

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: I have a crawlspace under my house. Last fall, I put insulation between the joists of one room to try to warm the floor somewhat. I put roll insulation between joists and nailed 4-by-8½-inch foam ...

Q: I saw your column a while back about sagging floorboards. Well, I have the opposite problem. A couple of spots underneath my living-room carpet feel like there is a “hump” there. When I pulled back ...