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Old 07-13-2012, 05:18 PM   #1
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Deck Joist Cut Too Short


Novice here... managed to cut one of the joists for our deck about 1/2" short on one end, about 1/4" short on the other (these joists are about 12', for a deck that's 10' x 12'). Both ends are resting on hangers. On the shorter side, there is still 1.5" of joist being supported by the hanger. Do I need to replace this one? Thanks very much!

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Old 07-13-2012, 07:43 PM   #2
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Deck Joist Cut Too Short


Yes you do

I was just going to say Yes but it told me the message was to short!

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Old 07-13-2012, 08:48 PM   #3
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Deck Joist Cut Too Short


Wait. It's 1/2" short on one end and 1/4" short on the other? Wouldn't that just make it 3/4" short regardless of which end? My head hurts.
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Old 07-13-2012, 11:40 PM   #4
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Deck Joist Cut Too Short


Nope it would be 3/8" on both ends
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Old 07-14-2012, 05:59 AM   #5
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Deck Joist Cut Too Short


Old carpentry joke is to measure twice, cut carefully, but don't panic if you cut something too short. You can always just cut it off again.

I too caught that the timber was cut 1/2" short on one end but only 1/4" on the other.

It needs to be replaced. Sorry!
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Old 07-14-2012, 12:46 PM   #6
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Deck Joist Cut Too Short


Go buy another board, you can always use the short one for something else you'll see.
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Old 07-14-2012, 01:18 PM   #7
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Deck Joist Cut Too Short


If you can drive all the required nails through the side of the bracket into the floor joist, there is no need to install a new board of the correct length. It would not hurt anything to do so of course, but the typical Simpson hanger is designed to function correctly with a board that is a little short, how short is a function of the specific hole locations on the bracket. The shear strength of the bracket is controlled by the nails connecting the bracket to the beam or rim joist, which has nothing to do with the nails driven through the bracket into the floor joist.

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