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Tying in floor joist to existing structure

15914 Views 4 Replies 4 Participants Last post by  SNC
I am expanding/extending my current bedroom and bath which will require removing rear exterior wall. My question is when tying in the new floor joist I plan to use 2x10 with one end sitting on the top plate of the new wall and the other I plan on using joint hanger to tie it into the existing rim board. will I have to double up the existing rimboard like I would for adding a deck? If I dont I know I will have 1" of nail sticking through the backside of the existing rim board going through the joist hanger.
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Depends on where you live. Fl and LA are a lot stricter. To use shorter nails reduces the load accepted on the hanger. What does your plan say? The Inspector will look for this, for your family's safety. You could just cut an 1/8" wider space than joist width, and bear the new ones on the house sill plate, then nail to existing joists. You would then have your solid blocking required for rotation and fire-stop. Be safe, G
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