Concrete foundation crack? What's the appropriate way to fix?

Hi All,

We had some insulation problems around one of the baseboards downstairs. Warm air would coming in from under the baseboard along one of our exterior wall in the summer. Our townhome is on a concrete slab in North Carolina. We had to take off the baseboard and open up the drywall to inspect. Turns out there is a long crack in the foundation (after opening up the drywall we can see this line goes all the way along the entire exterior wall). The crack seems to be between the concrete foundation and the wood beam/brick wall surrounding the foundation (not sure what's the correct term for this thing). And we had several contractors came and they agreed its a construction defect. One of them said the builder built the frame on the brick wall instead of the concrete foundation! (If looking from the outside there are some brick walls along the foundation and on top of them are the vinyl sidings.) And now the wall is moving away from the foundation and the crack appeared. But we are not sure if thats really the case. All we can see by opening up the drywall is this crack along the beam. Any one knows how to repair this?? I've attached a pic.

Thanks!!!

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Posted 3 years ago by Anonymous in Concrete

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