Hi, Brian.
Sounds like the soil is not strong enough to support the load. The
proper solution would be to trench down far enough to reach a strong
enough substrate, pour footings to support the structure, and rebuild
atop those.
Otherwise, treated lumber sill plates will certainly help. Possibly
trenching around, setting drain pipe and backfilling with a very
permeable fill (pea gravel, crushed stone, clean sand) should help to
keep moisture away from the wood.
HTH,
Donald.
P.S. did you work in Chelsea, MI for a while, within the last few
years?
> Date: Sun, 30 Sep 2001 22:31:17 +0100
> From: Brian Kennedy <kennedybc@mediaone.net>
>
>
> My neighbor has a cottage on a slab that's been 'sinking' for the last 60
> years or so. The slab is broken and they've used scraps of wood to provide a
> 'level' floor which is now above the sill plates. The slab is now about 6"
> below grade and every thing is pretty well rotted. He can't afford to tear
> is all out and redo it properly. His latest thought is to dig out around the
> outside and just fill it in with cement to stabilize the mess. He's also
> thought about raising the wall a bit and replacing the sill plates with
> treated lumber.
>
> Any thoughts on this one?
>
> Thanks
> Brian
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