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Posted by Nate Nagel on January 19, 2008, 3:44 pm
trexxxmeister@gmail.com wrote:
> I am a novice DIYer who is renovating a second floor bathroom. I
> removed the subfloor to move some pipes and now that I am ready to
> relay the subfloor I have discovered that one of the joists ( which
> are 16 inches apart) and which is in the centre of the room has sagged
> an inch. It has sagged where the first floor chandalier was attached.
> I removed the chandalier and tried to pull up on the joist but it
> won't budge.I am limited as to how much I can push up on the joist
> from the first floor because I dont want to disturb the finished
> ceiling.
>
> When I lay plywood across the joists there is an inch gap between the
> plywood and the one joist. I could proceed and screw the plywood down
> and then use a levelling mortar to fill the trough, or I could place
> shims on the top of the 2x10 joist so that the plywood would lay
> flat.What would be a good material to use as a shim? or how would an
> expert proceed?
> Brent
> Thanks
can you use something like a red-i-post temporarily on the first floor
to jack the joist up and then sister it and cripple it to reinforce? I
would think that crippling at a minimum would be advisable if you're
going to reinstall a heavy chandelier. Also use a ceiling fan box to
mount the chandelier and reinforce it well while you have the opportunity.
nate
--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel
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