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 ...

Adjustable steel columns, also called jack posts or lally columns, can be installed in basements and crawl spaces to support sagging floors or can be used as a fulcrum beneath heavy appliances. Though ...

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 ...

Question: 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 ...