Q: We lived in our home for 22 years and recently noticed a hump in a floor between the kitchen and the living room. The home has a basement where we can see the floors, and I cannot see anything like ...

Q. I have an older home with a crawlspace 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 is ...

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 ...

Building codes governing framed floors include an allowance for sagging, which sounds bad. But the allowable limit is 1/360 of the span, which isn’t much. Spread over a 45-foot-long joist — if you ...

Q Am I right that when sections of plaster break away from the lath, an accepted repair technique is to roughly fill in those gaps with drywall and then drywall over the whole wall or ceiling? — M.H., ...

Q: I have an older home with a crawlspace 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 is ...