Basement I beam


Old 09-26-17, 11:16 AM
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Basement I beam

I would like to remove a column I my basement. I have an I beam that 6" tall and 42' long (length of the house) and columns every 11' (3 columns total). I would like to remove the middle column and add an I beam next to the original steel beam to span 22' to pick up the slack for the loss of the column. my question is what size I beam should I use? The home is 1100 square feet ranch style.
Thanks in advance for the help!
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Old 09-26-17, 11:22 AM
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Best bet is to hire structural engineer who can be onsite to advise you.
Old 09-26-17, 12:04 PM
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And, you'd be a fool to base your construction on Internet advice for something so important.

Doubling a beams length while keeping it the same height is a real bugger of a problem. The easiest way to make a beam span a longer distance is to make it taller. So, if you want to span 22' the cheapest beam will be taller. Trying to span that same 22' with a beam only 6" could require going to a very heavy (thick wall) beam if it is even possible. It is very possible that the span could be too great for a beam of that height no matter how heavy. Only an Engineer who reviews your site can say for sure.
Old 09-26-17, 12:43 PM
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That was the plan. I was just hoping to get a jump on pricing out the beam. The 6" beam is what I currently have. Ideally a beam 10" or smaller would be great, to put it between the original beam and my ductwork.
Old 09-26-17, 03:59 PM
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Dont forget the footers you will need for the posts!
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