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I am building a 20x30 cabin with a 5/12 pitch I have an
I am building a 20x30 cabin with a 5/12 pitch I have an 8x18" doug fir ridge beam that will span 20' to an interior wall and am using 4x6 doug fir rafters on 24" centers. I am trying to achieve a 60# … read more
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I'm building a 12x20 foot shed with gabled end walls. I
I'm building a 12x20 foot shed with gabled end walls. I would like to have a vaulted ceiling instead of using joists. I'm doing this on my own so probably won't be able to use a vaulted ceiling design… read more
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I am designing a STRUCTURAL ridge beam for my cabin; 20x32;
Hello, I am designing a STRUCTURAL ridge beam for my cabin; 20x32; 8/12 roof slope. … read more
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Im trying to design the rafters for an addition im building,
Im trying to design the rafters for an addition im building, the building is 27 feet wide, so we figure the rafters need to span 18 feet each. Id like to have a 6 foot rise i,e. about 6 feet in the at… read more
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I want to build rafters using red cedar 4 x 4 x12'.over a
i want to build rafters using red cedar 4 x 4 x12'.over a patio with of building is 17Ft any suggestions wanting to use cedar for the look … read more
PaulH471
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I need a ridge beam for a 26' room, 10 feet on either side.
I need a ridge beam for a 26' long room, 10 feet on either side. … read more
PaulP324
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Looking to build a 6 inch wide ICF home using 4000 psi
Looking to build a 6 inch wide ICF home using 4000 psi concrete. I need to size the footer for this wall. Frost depth is 42 inches and want 10 foot interior wall. Need this drawn to submit for permits… read more
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I wanna know how big of lvl beam I will need, a builder back
I wanna know how big of lvl beam I will need, a builder back out an we can not get trusses , building a 40x60 pole barn, wanna use lvl beans for a trusses say 10 feet on center then use joist hangers … read more
walkereng
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I'm thinking to build a log cabin, with exposed log rafters
HI !I'm thinking to build a log cabin, with exposed log rafters about 40 feet wide and 50-60 feet long, roof pitch 8 on 12' ,from calculations the rafter will be 24 feet long ,what size log will be su… read more
StructuralEng
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I am removing a wall between to rooms in my house in Detroit
I am removing a wall between to rooms in my house in Detroit Mi, I would like to clear span the opening 27' the steel I beam is supporting on one side ceiling joist and rafters of the 4 in 12 roof abo… read more
StructuralEng
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I plan to create a beam of 3 2x12 with 2 layers of 1/2" ply
I plan to create a beam of 3 2x12 with 2 layers of 1/2" ply sandwiched between. The beam will span a 22 ft room with 2x6 construction and jacks supporting the beam. The beam will carry 16 oc 10 ft raf… read more
walkereng
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I am building a cottage in PEI, Canada and am wondering how
I am building a cottage in PEI, Canada and am wondering how long I can span the roof beam before I need a column support under the following conditions: Roof construction: 2x10 rafter construction for… read more
StructuralEng
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I am having a great room built with open ceiling. the
I am having a great room built with open ceiling. the overall dimensions are 22 ft wide by 36 feet long; 4 foot overhand on one gable end and standard 1 foot at other gable. the roof rafters will cons… read more
StructuralEng
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I'm looking to support a 24 by 24 ft roof with three glulam
I'm looking to support a 24 by 24 ft roof with three glulam beams. How big of glulams do I need? … read more
StructuralEng
StructuralEng
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A 22 ft section with an lvl exposed beam to remove a load
I am Spanning a 22 ft section with an lvl exposed beam to remove a load bearing wall. The beam will only support the ceiling joist and roof bracing. The roof is a 4 pitch and the ceiling joist span 12… read more
StructuralEng
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I have a garage 20 x 20. what size of beams can i use - i am
i have a garage 20 x 20. what size of beams can i use - i am in california and the roof will be flat with appropriate pitch - no snow… read more
StructuralEng
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I am considering engineered I beams as rafters for an apartment
I am considering engineered I beams as rafters for an apartment garage project. The horizontal distance is 14 ft, the pitch is 12X12, the overall rafter length from ridge to knee wall is just under 20… read more
StructuralEng
StructuralEng
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My question relates to an existing garage roof where the rafters
My question relates to an existing garage roof where the rafters were somewhat undersized for the loads. I am seeking advice on adding a strut to each rafter, transfer forces expected and resolution o… read more
StructuralEng
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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