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Author Topic: Helical Pier Foundation  (Read 320 times)

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Offline nick_m

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Helical Pier Foundation
« on: July 27, 2020, 12:07:02 AM »

I'm planning to use helical piers to support a timber frame cabin, with sills supported by piers under every post, and conventional joists hung between them, running perpendicular to the bents. Should the posts rest directly on the sills (as shown below) or on top of the plywood sub-floor? I've seen more illustrations with the post on the sub-floor, but that material seems to be more compressible.

Also, I plan to enclose the cabin using conventional 2x6 framing with DIY modular panels fastened to the frame, offset using 5/8" furring strips to allow for interior installation of drywall (as described elsewhere on the forum). Since the framing will be fastened to the sills, rather than a rim joist, can I use a simple 2x4 ledger to support the panel instead of a sill plate? 




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