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 ...

Editor’s note: Welcome to the second installment of This Ugly House, a reader renovation diary. We’re excited to publish this tale of a hands-on renovation of a wood-frame house in Bed Stuy. See the ...

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 ...