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  #1  
Old 11/15/06, 5:23 PM
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Default Squash Blocks

Fellow Inspectors,
Hard to tell from the pics, but all the blocks were undercut a bit to much.
New construction $700K
Anatol
Attached Thumbnails
squash-blocks-squ1.jpg   squash-blocks-squ2.jpg   squash-blocks-squwide.jpg  

Last edited by apolillo; 11/15/06 at 5:26 PM.. Reason: add pics
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  #2  
Old 11/15/06, 5:59 PM
Jae Williams Jae Williams is offline
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Default Re: Squash Blocks

For another $150K they can have shims installed.



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Old 11/15/06, 7:23 PM
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Default Re: Squash Blocks

Any detail on the prints?
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  #4  
Old 11/15/06, 8:13 PM
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Default Re: Squash Blocks

The blueprints were not available. I know the blocks are wrong. They are supposed to be 1/16 longer than the I-joist. Funny this was, the other beam had the blocks installed properly.
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Old 11/15/06, 8:24 PM
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Default Re: Squash Blocks

Anatol, The joists are not resting on the plate, but it looks like the blocks are. Maybe that's why there's a gap at the sheathing.




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Old 11/15/06, 8:27 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Squash Blocks

Quote:
Originally Posted by apolillo
I know the blocks are wrong. They are supposed to be 1/16 longer than the I-joist.
Yes, yes they are.

Good catch.



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  #7  
Old 11/15/06, 8:36 PM
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Default Re: Squash Blocks

Many homes have no squash blocks at all installed when TJI"s are used. Who requires them to be 1/16" long, why and under what conditions?




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Old 11/15/06, 9:18 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Squash Blocks

Quote:
Originally Posted by kshepard
Many homes have no squash blocks at all installed when TJI"s are used. Who requires them to be 1/16" long, why and under what conditions?
Kenton, typically it's when there is a load bearing wall above that the blocks are needed. All manufacturers that I've used specify that they be 1/16" higher that the joist.



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Old 11/15/06, 9:22 PM
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Default Re: Squash Blocks

Quote:
Originally Posted by lkage
Kenton, typically it's when there is a load bearing wall above that the blocks are needed.
I figured, Larry. Then they must be detailed by the engineer that stamps the plans. Is the +1/16" rule something required by I-beam manufacturers? Does that hold true whenever squash blocks are used in i-beam floor systems?




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Old 11/15/06, 9:50 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Squash Blocks

Yes, the I-joist manufacturer specifies the need and location on the installation instructions.



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  #11  
Old 11/15/06, 9:53 PM
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Default Re: Squash Blocks

Ah-HAH, thank you.




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  #12  
Old 11/16/06, 9:20 AM
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Default Re: Squash Blocks

http://www.ilevel.com/literature/TJ-9001.pdf

good booklet dealing with I-Joist specs

see page 5



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Last edited by gkoehl; 11/16/06 at 9:23 AM..
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Old 11/16/06, 9:35 AM
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Default Re: Squash Blocks

Slightly off-topic, but you have a $700K house here and they used OSB? Cheap man, cheap!
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Old 11/16/06, 11:22 AM
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Default Re: Squash Blocks

Here where I am located $700,000-$1.5 million houses are a common thing and we always use 3/4 in TG OSB. That is the norm here. Its all about the bottom line. A couple years ago when 1/2 osb was almost $20 a sheet some houses only got the sheer panels sheeted. The other places on the house got black fiber board. I also saw no sheeting above and below the windows. The stucco guys would just put their foam and wire over it and procede like normal. I'm not saying its a good thing, but it does happen from time to time.
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Old 11/16/06, 11:31 AM
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Default Re: Squash Blocks

Quote:
Originally Posted by bjones1
Slightly off-topic, but you have a $700K house here and they used OSB? Cheap man, cheap!
not all OSB is cheap
and the good stuff is way better than plywood
wet construction weather like we have had this fall doesn't harm it
it doesn't warp,blister, peal, separate, stays nice and flat.
the only down side is it is very heavy to handle during installation
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