Q: I’m going to build a room addition because moving to a bigger home is out of the question. I’v e never done rough framing for a subfloor, and I need a quick tutorial on the top things one should ...

Q: I saw your column a while back about sagging floor-boards. 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 ...

Q: I have an older home with a crawl-space foundation. My problem is the floors sag in the living room to the point where it’s hard to keep a lamp steady on the end tables. My other problem is there ...