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Basement ceiling/wood foundation for ground level floor

Basement ceiling/wood foundation for ground level floor

Old 07-08-19, 01:23 PM
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Question Basement ceiling/wood foundation for ground level floor

So, there are these wooden slats or supports or whatever here that are nailed into the larger cross beams or planks that apparently support the upper floor and the rest of the house (see photos).

There are some spots where the nails are out and the slats are hanging (see photos). How critical is it that someone nail these back in? What else should be done here?

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Last edited by PJmax; 07-08-19 at 04:44 PM. Reason: reoriented/resized pictures
Old 07-08-19, 01:28 PM
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It's called cross bracing. The idea is that the floor is better supported when cross bracing is used... making it less bouncy by transferring the weight on one joist to the adjacent ones. While cross bracing isn't critical, I would probably suggest you try to renail it. Hot dipped 7d galvanized nails will hold best. Smooth steel nails often get loose. Screws might tend to split the crossbracing.

Looks like there is no angle cut on one of the boards pictured.

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