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Geber 01-27-2007 07:30 PM

Supporting girder with wall
 
The girder of my house is currently supported by steel posts with jack screws. The girder is made of four 2x8s and is 7.5 inches wide. I want to build shelving under part of the girder as part of a new room. I'm thinking of making the shelving with 2x8 studs and eliminating the steel posts. I would put the studs 16" on center, and put horizontal 2x4s at four points to prevent buckling. Does anyone know any reason I shouldn't do this?

redline 01-29-2007 08:55 AM

Could you just leave the posts and build the shelves around the posts?

Geber 01-29-2007 09:18 AM

Quote:

Originally Posted by redline (Post 31614)
Could you just leave the posts and build the shelves around the posts?

I suppose I could, but I think the new wall will be better than the posts, because they are not secured at the top and bottom. Once the wall is in place, I think the posts will be just a waste of space.

concretemasonry 01-29-2007 10:53 AM

Your steel posts are on concrete footings designed intended to carry the loads. If you are worried about the lack of top and bottom attachment, just add it.

If you go with a stud wall, it will be sitting on a floor with unknown thickness and unknown quality of soil under it. Home builders are known for paying attention to what is under a basement floor since the soil is one of the last things covered. The plate will be the usual wet PT stuff. All wood will shrink as it dries and the load goes on it.

Are you sure you want to trade the known with good performance for the unknown after you get a manage to get a permit for a bookcase?


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