How Do I Build A Flush Header For A Basement Doorway? - Building & Construction - DIY Chatroom Home Improvement Forum

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Old 09-07-2011, 09:53 AM   #1
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How do I build a flush header for a basement doorway?

I would like to use a flush header over an exterior door in my walk-out basement. I recently discovered that I have no rim joists running parallel to the floor joists, i.e., the exterior walls rest directly on the floor joists.

Under normal circumstances, I would cut back the floor joists to double up the rim joist over the doorway and use joist hangers to suspend the floor joists from the doubled up rim joist/flush beam.

What should I do in the case of no rim joist? How do I get the header to fit? Should I shave down the header until I can slide it easily into place from the outside?


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Old 09-07-2011, 11:06 AM   #2
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The process is exactly the same, whether there's a rim joist or not. Build a full header, install it. Use the hangers if there's less the an inch of bearing on the sill plate.


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