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Old 04-20-2011, 09:11 PM   #1
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cutting joist


I am installing a wood stove. I need to cut a floor joist. The joists are at 16 inch centers. If I designate the first joist as 0 the second one as 16 and the third as 32; the joists runs from a wall to a support header at 12 foot away. I need to cut a foot out of joist 16; this will be at 2 feet and 3 foot from the wall. That leaves joist 16 hanging at 9 foot from the support hanger. I want to header it between joist 0 and joist 32 with a 12 inch square box to hold my ceiling support box for the double chimney pipe. Will this work and exactly how will I do that?

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Old 04-20-2011, 09:20 PM   #2
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Originally Posted by Rfactor View Post
I am installing a wood stove. I need to cut a floor joist. The joists are at 16 inch centers. If I designate the first joist as 0 the second one as 16 and the third as 32; the joists runs from a wall to a support header at 12 foot away. I need to cut a foot out of joist 16; this will be at 2 feet and 3 foot from the wall. That leaves joist 16 hanging at 9 foot from the support hanger. I want to header it between joist 0 and joist 32 with a 12 inch square box to hold my ceiling support box for the double chimney pipe. Will this work and exactly how will I do that?
Ask your building inspector because it has to be inspected anyway. He'll point you in the right direction.

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Old 04-20-2011, 09:36 PM   #3
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cutting joist


I guess that could be the answer to all projects and then we wouldn't need this forum. I guess I am saying that isn't an answer.
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Old 04-21-2011, 07:49 AM   #4
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Typically the uncut joists on either side of the one to be cut are doubled(sistered) then the joist is cut--double blocking is installed---and hangered---then the cut joist is hangered off or that.

Doubling the joists may not be needed,however,without seeing plans and load requirements--that is always a safe guess.
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