Alan:

AM I've got a bit of a saggy floor in my 130 year old home, and want to
AM jack it a bit. I've already had a structural engineer look at it and he
AM told me what has to be done, but not how to do it.
AM
AM I've got to put 12 feet of 6" I-beam in, with 3 posts. OK, easy.
AM I need a good hydralic jack. Ok, easy.
AM
AM But how to I rig up the jack? Do I have to build up a bunch of
AM wood (2 pieces this way, 2 pieces at 90 degree, and so on)
AM until I am high enough where the jack fits in under the ibeam?
AM Then jack it, adjust the posts?
AM That seems the obvious way to me.

How about a steel post with a screw at the top? Fit the post snug,
then tighten the screw a turn to bring the floor level up a bit.
(Probably want a steel plate to distribute the contact along the
existing joist.) About once a week adjust the screw part another turn
until the floor is level again. (You don't want to do it all at once
so as to allow the wood to modify.) Dad did this at his place back in
the late 60's (the support is still there).

The steel post unit is available at hardware stores, I just don't know
what they're called.

-
¯ barry.martinþATþthesafebbs.zeppole.com ®

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