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Old 12-04-2012, 06:41 AM   #1
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joist not sitting flush to beam


I have a center beam I put up a few weeks ago. It was done with PT 2x6's. I began to hang the joist hangers every 16" like most do. This is just a project I had on the side at my home.

Im thinking the center beam twisted a bit while in between the time, I put it up and before I got the rest of the joist hangers and joist on one side. I have one side done and still have the other side to do.

The issue I have is that the joist are not seating flush with the beam. The joist sits flush at the top and at the bottom it is out about a 1/8" from the beam, a few maybe 3/16".

How much of a concern is this?

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Old 12-04-2012, 06:56 AM   #2
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joist not sitting flush to beam


There should be no problem if u have the joist hangers n the proper nails in the given holes

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Old 12-04-2012, 03:25 PM   #3
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joist not sitting flush to beam


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There should be no problem if u have the joist hangers n the proper nails in the given holes

Im using joist hangers and the correct nails.

10's on the hanger itself and 16's on the toe in through the hanger.
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Old 12-04-2012, 03:29 PM   #4
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joist not sitting flush to beam


did you use a a block of the joist material for a gauge when you put hte hangers on.. if not your hanger is probably at the wrong height
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Old 12-04-2012, 03:32 PM   #5
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joist not sitting flush to beam


It should be fine then. The result for that can either be that the beam itself is bent or the joist is cut on an angle. There shouldn't be any problems.
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Old 12-04-2012, 05:56 PM   #6
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joist not sitting flush to beam


Yes.

I did use a block of 2x6 as a gauge.

The center beam has a slight twist on it. On one side the joist are 1/4" to 1/8" off on the bottom. On the other side the joist are 1/4" to 1/8" off on the top.

Im not sure what to do here.

I may of put the joist to low on the beam. The reason I believe that is the if I put a straight edge under the center beam it bottoms out on the joist and leaves about a 1/4" gap between the beam and the straight edge.

Maybe I can post some pics.
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Old 12-04-2012, 07:00 PM   #7
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joist not sitting flush to beam


ok after re reading your original post it sounds like one of two things. .either the beam isnt sitting plumb or the opposite end where the joists are coming from are high so the joists are tipped
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Old 12-04-2012, 07:41 PM   #8
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joist not sitting flush to beam


How wet was the wood? I had a batch of 2x12's that shrunk down about 1/4" when they dried out.

Could this be a shrinkage issue?
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Old 12-04-2012, 08:03 PM   #9
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joist not sitting flush to beam


shrinking wouldnt have anything to do with this.. the joists arent butting square into the beam
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Old 12-04-2012, 09:00 PM   #10
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joist not sitting flush to beam


Ok, maybe these post will help.
Attached Thumbnails
joist not sitting flush to beam-joist-001.jpg   joist not sitting flush to beam-joist-002.jpg  
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Old 12-04-2012, 09:05 PM   #11
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joist not sitting flush to beam


Here are some more.
Attached Thumbnails
joist not sitting flush to beam-joist-003.jpg   joist not sitting flush to beam-joist-004.jpg   joist not sitting flush to beam-joist-005.jpg   joist not sitting flush to beam-joist-006.jpg   joist not sitting flush to beam-joist-007.jpg  

joist not sitting flush to beam-joist-010.jpg  
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Old 12-04-2012, 09:10 PM   #12
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joist not sitting flush to beam


And some more.
Attached Thumbnails
joist not sitting flush to beam-joist-011.jpg   joist not sitting flush to beam-joist-012.jpg   joist not sitting flush to beam-joist-013.jpg   joist not sitting flush to beam-joist-014.jpg   joist not sitting flush to beam-joist-015.jpg  

joist not sitting flush to beam-joist-016.jpg  
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Old 12-04-2012, 09:17 PM   #13
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joist not sitting flush to beam


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Originally Posted by woodworkbykirk View Post
ok after re reading your original post it sounds like one of two things. .either the beam isnt sitting plumb or the opposite end where the joists are coming from are high so the joists are tipped

If you set a level on top of the joist, in the middle of them, then it is pretty level.

I was wondering if the outside wall was a little higher myself.

However, Im thinking the beam is twisted some how.

In the pics, the side I have done, the beam seems to be twisted. I mean if you put a level on it, the side the completed joist are on, and run the level north and south, you have to pull the level out at the bottom about a 1/4" to get it level.

On the other side, its pretty much the same, but you have to pull the level out at the top by 1/4" to get it level.

Am I ok here or not?

I intend to install some light fixtures in the joist as well as insulation above and put drywall on the bottom side of the joist to seal up my garage.
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Old 12-04-2012, 09:45 PM   #14
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joist not sitting flush to beam


Here are some better shots of the joist.
Attached Thumbnails
joist not sitting flush to beam-joist-ii-001.jpg   joist not sitting flush to beam-joist-ii-002.jpg   joist not sitting flush to beam-joist-ii-003.jpg   joist not sitting flush to beam-joist-ii-004.jpg   joist not sitting flush to beam-joist-ii-005.jpg  

joist not sitting flush to beam-joist-ii-006.jpg  
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Old 12-04-2012, 09:49 PM   #15
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joist not sitting flush to beam


More....
Attached Thumbnails
joist not sitting flush to beam-joist-ii-007.jpg   joist not sitting flush to beam-joist-ii-008.jpg   joist not sitting flush to beam-joist-ii-009.jpg   joist not sitting flush to beam-joist-ii-010.jpg   joist not sitting flush to beam-joist-ii-011.jpg  


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