I purchase a new home and in the basement I'm finding a section of cracked/split joists where the nail was nailed into the wood sill plate. After investigating, this one wall was not leveled with the joist end from the other side. I can tell because the builder did put some shims underneath some but not all so I'm seeing about a 1/4 gap between some of the joist and sill. What would be the best way to correct this if it needs to be repaired. I've attached a picture of one.enter image description here

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    Welcome to DIYSE. We might need some revision to your post. I read "this one wall was not leveled with the joist end from the other side" three times and still can't figure out what it means. It's not clear what the actual problem is. Can you tell what caused the joist to lift, or whether something is holding it up? Did they use joist hangers at the rim? – isherwood Jul 26 '18 at 17:03
  • This one wall wasn't leveled to the girder. Behind the insulation, there is a backfill cement wall that went up a feet with a wood sill plate on top of that. It was hanging up off of the toenails and a nail from the top corner of the joist to the top sill plate. The builder came in, they denied it was a problem and said the wood shrinks. They placed shims underneath them. My concern is there is a couple of joist that the toenails split the corners off both sides on where it rests. They placed 2 x10's between each joist to prevent twisting. Is this a suffice repair? – Dan L Aug 14 '18 at 13:27

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