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Cutting across 3-joists

Posted by tomh on April 1st, 2003 03:20 PM
In reply to attic stairs by Joe LaSacco on April 1st, 2003 01:37 PM [Go to top of thread]

The installation is done the same way, you have to head off the joists in makng a rough opening. Assuming you need a rough opening of 54" length you will cut off 3-joists (24" O.C.) and frame doubled headers between the uncut joists at eigher end. If you are installing in a hallway, the walls on either side may serve to support joists while you cut and frame. If span is open, you must support cut joists. Can you describe the installation?

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