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Old 08-26-2012, 03:06 PM   #1
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rim joist fix - help


I am fixing the rim joist and floor joists they are 2x10. The rim joist is pulled away so I'm nailing 16' of board on the outside to the r.j. that I exposed. It is pulling away from fl j's up to 2 in. My plan is to sister where they are broke add blocking and use hangers on the ones pulling away that aren't broke nailing on both sides. The problem is it won't be flush with the sill so the hanger won't work. So with the blocking in there will still be 1 1/8 in gap. Should I cut 1 1/8 board nail them to the rj and f.j. on either side then put my blocking in? See pics

rim joist fix - help-forumrunner_20120826_135927.jpg



rim joist fix - help-forumrunner_20120826_140009.jpg






rim joist fix - help-forumrunner_20120826_140235.jpg



rim joist fix - help-forumrunner_20120826_140150.jpg

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Old 08-26-2012, 04:18 PM   #2
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rim joist fix - help


If you want to sister joist along side of the ones that are split off in the last picture you don't need hangers if there sitting on that plate.

I'm not quite following you on where you want to block and can't see whats pulling away 2".

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Old 08-26-2012, 04:34 PM   #3
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rim joist fix - help


Confusing pictures.
One looks like you tryed to use a 5/4 decking board for a foundation plate, another looks like your using a 2 X 4 laying flat and another looks like a 2 X 4 sitting on edge.
Really need at least a 2 X 6, a 2 X 8 would be better as a plate to spread out the load on the floor joist, if you look you can see where the ends of the floor joist are being crushed.
Also those floor joist to me look like they have been eatten up with fungus, caused by a moisture problum in the crawl space.
See how punky they look.
Keep in mind all we have is pictures to go by.
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Old 08-26-2012, 04:37 PM   #4
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rim joist fix - help


There's a gap between ends of joists and rim joists you can see the nails showing in the pics. The bottom edge of the rj is tilted out I want to put blocking betwween the joists on the interior against a doubled up rj but I think I need 1 1/8 spacers on the interior behind the blocking

I don't want the nails come right out :p
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Old 08-26-2012, 04:43 PM   #5
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rim joist fix - help


Sorry bout the pics. A new sill was put in when it was moved it is 2x8. The wood seems to be alright. Its not flaking and is hard.
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Old 08-26-2012, 04:52 PM   #6
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rim joist fix - help


Not sure what that last picture is showing. Is that the one with the gap?
Looks like someone broke off the bottom of the floor joist and cut the end off where it rotted.
If that's true then just sister in a new floor joist. The other ones look tight. Spacers will do nothing to support anything.
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Old 08-26-2012, 10:14 PM   #7
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rim joist fix - help


Ok so should I not double up the rim joist? I thought the rj was weight bearing
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Old 08-26-2012, 10:19 PM   #8
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You misunderstand Joe... The spacers is because if I put solid block bridging the sill will be sticking out such that I can't use hangers. I will try draw a pic
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Old 08-26-2012, 10:22 PM   #9
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rim joist fix - help


If you have full bearing floor joist on the sill plate then there's no need for it.
It's not going to do any harm, just not needed.
I've never personaly seen a double rim joist used in floor framing, except on decks.
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Old 08-26-2012, 10:46 PM   #10
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I sprayed a solution of borax and water on the rj inside and out and ends of fjs, little did I know its not the same as boric acid
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