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StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 6686
Experience:  Structural Engineer
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I want to remove a load bearing wall cut out the floor

Customer Question

i want to remove a load bearing wall
cut out the floor joists above and slide a lvl beam up in there and support the joists with hangers onto the new lvl beam. My floor joists are 8 inches.
How wide of a 7 1/2 lvl would i have to make?
how many 1 3/4 would i have to bolt and glue together for that?
above this beam is a bedroom and then an attic.
it is not going to have attic or snow load as it in interior beam.
Submitted: 10 months ago.
Category: Structural Engineering
Expert:  StructuralEng replied 10 months ago.

Hello

Expert:  StructuralEng replied 10 months ago.

What is the span? What is the joist length on both sides of the beam? Will it support any ceramic tile? Will it support one floor only? Do you have manufactured trusses for the roof?

Customer: replied 10 months ago.
Sorry,
we have a 20 foot span, there will be some ceramic tile.
the joists are 24 overall this will be located so there is a 13 and 10 foot joist span.
it will support a bed room and above that is an attic.not engineered trusses in attic
Customer: replied 10 months ago.
sorry i fat fingered that it will be a 13 and 11 foot span
Expert:  StructuralEng replied 10 months ago.

There is no way to make that span with 7.25" deep lumber

Expert:  StructuralEng replied 10 months ago.

The most shallow option is a 10" deep steel beam with ceramic tile or a 8" steel beam without ceramic tile. Both are very heavy beams to minimize the height

Customer: replied 10 months ago.
i cant utilize steel in this application
i can only use an LVL beam.
What is the max span with a 3 ply 7.25 lvl?
Expert:  StructuralEng replied 10 months ago.

6'-3"

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