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expansion joint around the perimeter of my bedroom slab?

HU-282659674
5 years ago
last modified: 5 years ago

Doing a renovation of the guest bedroom, I ripped up all the flooring and had to cut some of the wall bored. I find that there is an expansion joint between the concrete block wall and footer and the main floor of the bedroom. I thought the footer and the slab was supposed to be all one piece? What should I do about this expansion joint, try to seal it up with caulking maybe?

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