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Can I get away with laminating a piece of 2x10 to span fill in the missing portion and then add another 2x10 from the been to the wall. All three laminated together. Cut out the cinder block to sit the 2x10s on top. Hangers everywhere. No posts or other supports.
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This seems wrong.....Floor joists are only supported by that 2x4 wall! Is this is enough? It does appear that they have doubled up their opening joists.
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