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Tim Carter

Floor joist best practices

Floor joist best practices

DEAR TIM: I'm going to build a room addition because moving to a bigger home is just out of the question. I've never done rough framing for a subfloor, and I need a quick tutorial on the top things one should know about selecting and installing wood floor joists. --Bob S., Rochester, N.Y. DEAR BOB: Entire books have been written on the subject of floor joists. It's going to be impossible for me in this tiny space to give the topic the attention it truly deserves. I think the best place to start is to understand that each floor joist is actually a beam in and of itself. A beam is a structural member that spans an opening and is supported at each end. When you place any number...

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