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-   -   Warped floor joists, floor leveling (http://www.houserepairtalk.com/f13/warped-floor-joists-floor-leveling-16254/)

Jungle 07-11-2013 12:50 PM

Warped floor joists, floor leveling
 
1 Attachment(s)

Look at this joist is warped, starts at 17.5" then to 14" with the small blocks to 17" at the end to the wall. Weird? It could haven't been originally built like that, so it must of warped, sloped the floor then they decided to fix it by installing the cross blocks?
I'm jacking up the floor now, i bought 4 screw jacks today and need about 6-10 more. I have to support most of the floor joist it seems.

Should i take out the old cross block and jam in new 15+" 2x6" in there and try to unwarp the beam? Maybe i should do this before i start jacking it up?


Jungle 07-12-2013 10:51 AM

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"Are you intending to leave these posts in place when you are done or are you going to look for as way to keep the joist up with out the posts?"

As Bud says you are suppose to have proper footers cut into the concrete flooring etc. But these metal post jack are perfectly fine, it even says on the box can be used for permanent foundations. Wood posts would be a red flag for an inspector.

When i'm finishing raising them i will attach some blocking to the side of joist and screw it right to the top, so at least i won't coming flying out at someone.

The problem is yes the above floor is a supporting wall and other structural points are sinking and the floor is slanted as well as the beams on the ceiling are slanting down as the wall is sinking... So these support are required.

I wonder if i should try to jack up the main support beams as well, the beam looks straight but the support look to be slightly bent probably from too much pressure coming from the left...?
You can see all those joists on the left are sagging need jacks. The bathroom walls and staircase are 3' to either side of the main support beam.


Jungle 07-16-2013 11:25 AM

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Here you can see the foot of the staircase/ where the book is bellow the joist crack last year and i already sistered it and jacked it with a 2x6. Now is replace with the steel jacks. So a lot of pressure on that point as you can see what is above. same with the other side.


Jungle 07-16-2013 11:25 AM

3 Attachment(s)

Here you can see the foot of the staircase/ where the book is bellow the joist crack last year and i already sistered it and jacked it with a 2x6. Now is replace with the steel jacks. So a lot of pressure on that point as you can see what is above. same with the other side.


Jungle 07-16-2013 11:25 AM

3 Attachment(s)

Here you can see the foot of the staircase/ where the book is bellow the joist crack last year and i already sistered it and jacked it with a 2x6. Now is replace with the steel jacks. So a lot of pressure on that point as you can see what is above. same with the other side.


Jungle 07-16-2013 11:27 AM

2 Attachment(s)

Here's the bearing wall, that has not sunk and that side of the flooring is actually flat! As i mention before that 1" oak pillar is suspicious. i think i should put another jack under it?


Jungle 07-16-2013 11:27 AM

2 Attachment(s)

Here's the bearing wall, that has not sunk and that side of the flooring is actually flat! As i mention before that 1" oak pillar is suspicious. i think i should put another jack under it?



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