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StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 7143
Experience:  Structural Engineer
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Morning, trying to span 18' what size LVLs do I need?

Customer Question

morning, trying to span 18' what size LVLs do I need?
Submitted: 2 years ago.
Category: Structural Engineering
Expert:  StructuralEng replied 2 years ago.
As a main beam or joists?
Customer: replied 2 years ago.
Main beam holding roof load on a 1 1/2 story cape with an 8 in 12 slope in northern NJ
Expert:  StructuralEng replied 2 years ago.
Is it an exterior wall or interior wall? Is it supporting an attic, too, or just the roof?
Customer: replied 2 years ago.
no attic just the 2nd floor and the roof
Expert:  StructuralEng replied 2 years ago.
Interior wall or exterior? Joist length on each side of the beam? Do you have a cathedral ceiling? City and state so I can look at snow loading?
Customer: replied 2 years ago.
exterior, 10' joist, 8' ceiling, Rockaway NJ 07866
Expert:  StructuralEng replied 2 years ago.
Do you have a flat roof?
Customer: replied 2 years ago.
no 8 in 12
Expert:  StructuralEng replied 2 years ago.
How do you have a pitched roof with an 8' ceiling and not have an attc?
Customer: replied 2 years ago.
As I said it is a 1- 1/2 story cape
Expert:  StructuralEng replied 2 years ago.
5.25" x 16" 2.0E LVL will work for strength and limit deflection to 1/2". You'll need to have a complete lateral analysis done to determine if it's ok to remove 18' of exterior wall. That is what provides lateral stability for your house.
Expert:  StructuralEng replied 2 years ago.
Do you have any other questions for me on this topic? If you could rate my answer, I would appreciate it
Expert:  StructuralEng replied 2 years ago.
If you could rate my answer, I would appreciate it. Experts are credited for each appropriately rated answer.

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