Home Plans And Home Designs - I beam comparison
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pvand
11-01-07, 09:27 PM
I am putting a walk-out in the foundation of my single floor home. The building code calls for a 155x22 Ibeam (6"x.23"thick). This can cover up to a 16' span. I am only going 7' (which includes a 6" overhang on each end; building code is 4").
The problem is I only have 86" from the footing to the joist. The door is 80" high and the beam is 6". I would like to carry 2 - 3" of the concrete going on the walkway over the footing.
Can I use a 4" beam with a thickness of .28" instead of the 6"? The building dept said they would go with it if it can be used. They did not know. If not, what can I use that is less than 6"? Thanks so much.
The problem is I only have 86" from the footing to the joist. The door is 80" high and the beam is 6". I would like to carry 2 - 3" of the concrete going on the walkway over the footing.
Can I use a 4" beam with a thickness of .28" instead of the 6"? The building dept said they would go with it if it can be used. They did not know. If not, what can I use that is less than 6"? Thanks so much.
OhioDraft
11-05-07, 06:55 AM
Your wall is only 7'? Or did you mean from the slab to the joist? I'm sure you could go with the smaller size. This is something you need to get engineered though. Why not butt the beam up against the sill?
pvand
11-05-07, 04:34 PM
Your wall is only 7'? Or did you mean from the slab to the joist? I'm sure you could go with the smaller size. This is something you need to get engineered though. Why not butt the beam up against the sill?
Thanks for your help on this. The joists rest on the concrete sil. I have to cut the 6' opening for the door, then knotch out 6" on each side for the ibeam to fit into. This will hold the joists up. I would like to put in a 4 x 4 beam on top of the sil. THen I can knotch 4" below the joist and 6" in (so that 6" of the beam sits in the cut out.
Thanks for your help on this. The joists rest on the concrete sil. I have to cut the 6' opening for the door, then knotch out 6" on each side for the ibeam to fit into. This will hold the joists up. I would like to put in a 4 x 4 beam on top of the sil. THen I can knotch 4" below the joist and 6" in (so that 6" of the beam sits in the cut out.
OhioDraft
11-06-07, 09:36 AM
Ok, you say you have 7'2" from t.o.footing to the bottom of the 1st flr. floor joists. So, minus 1.5" sill plate, you have 7' 0-1/2" of fnd. wall. I am making assumptions here. Forget horizontal dimensions for now they are irrelevant.
The beam and door you want will not fit into the wall as you have described it. Maybe you meant 7'2" from slab to joist. In this case, the 6" deep beam and door would fit. The remaining fnd. wall, if you choose to leave it, will be a few inches below the top of the slab and just above the footing. Some 1x or 2x framing and weather lip will bring that up flush with the basement floor. Basically, I can't help you any further without more info.
The beam and door you want will not fit into the wall as you have described it. Maybe you meant 7'2" from slab to joist. In this case, the 6" deep beam and door would fit. The remaining fnd. wall, if you choose to leave it, will be a few inches below the top of the slab and just above the footing. Some 1x or 2x framing and weather lip will bring that up flush with the basement floor. Basically, I can't help you any further without more info.