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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
PaulP324
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I am building a flat roof carport. 24 feet wide. How thick
I am building a flat roof carport. 24 feet wide. How thick of an I beam would I need for the 24 foot span. … read more
walkereng
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Structural engineer. If I were building a 16'x24' hip roofed
If I were building a 16'x24' hip roofed structure with structural steel for the ridge and hip rafters with a 6:12 pitch roof with the hip rafters resting on four 6”x6” cedar posts, what size and thickness tube/? steel would I use? It will be a metal roof attached via hat channel. … read more
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I need to know what size steel beam I will need to carry a
i need to know what size steel beam I will need to carry a 24 foot 6 in 12 roof truss ove a 18 foot garage door span ( opening ) … read more
StructuralEng
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Want to span 30ft with no center support. Load is a standing
want to span 30ft with no center support. Load is a standing seam metal roof. project is an outdoor living area … read more
StructuralEng
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I'm building a hay barn and wanted to span 30' with a w8x13
I'm building a hay barn and wanted to span 30' with a w8x13 wide flange. The hay barn would be 15' wide with 10” c-purlins running perpendicular 6' on center with roofing tin on the on top. The dead l… read more
walkereng
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I am looking for the load capacity of a 8" 10lb beam. it
I am looking for the load capacity of a 8" 10lb beam. it will be used in a metal building to support 8" C-purlins. I just need to make sure it can carry the load of the roof that will be on it. Also I… read more
StructuralEng
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Wanting to figure out beam size i need for a carport to span
wanting to figure out beam size i need for a carport to span 18' … read more
StructuralEng
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Installing a support girder spanning 21'-6" to support a hip
Installing a support girder spanning 21'-6" to support a hip @ mid span or 10'-9" the roof is being frames with 2x6 @ 24" o.c. & 1/2" osb sheeting topped with standing seam roofing and the pitch is 3/… read more
StructuralEng
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I have a horse corral made of 1 5/8 pipe panels, called a 4
I have a horse corral made of 1 5/8 pipe panels, called a 4 rail (4 horizontal rails on each pannel). … read more
StructuralEng
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I wish to construct a living roof on as structure that is 24
I wish to construct a living roof on as structure that is 24 ft span with a length of 34 feet. The roof will have to support plywood, approximately 6 inches of gravel, and 6 inches of top soil not inc… read more
walkereng
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I have recently stumbled across 16 DP bar joist that are 24
I have recently stumbled across 16 DP bar joist that are 24 foot in length. I want to put up a standing roof to keep rain off some equipment. I am planning to use 2 w14 22 beams so I can keep it clear… read more
StructuralEng
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I am clear spanning 35'. The second story will consist of 8
I am clear spanning 35' . The second story will consist of 8 inch purlins on 16" centers. The post are 4"x4" x3/16" on either end of the span. There is another row identical to that one 12' away, then… read more
walkereng
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What is the max span 4"x2" 16 ga C purlin supporting
What is the max span for a 4"x2" 16 ga C purlin supporting 170 sf of roof. The purlin is an unbraced, 2 span (18 & 16 ft) purlin supporting 3"x2" 16 ga purlins on about 32" centers. Each 3" purlin sup… read more
StructuralEng
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I need to span an area that is 24 feet long. It is supported
I need to span an area that is 24 feet long. It is supported at 0, 8 and 21 feet. I want to connect two 2x6s or 2x8s at 12 feet. Can I do this and how long will my laminating board need to be and will… read more
StructuralEng
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This is a structural engineer question. We had a metal roof
This is a structural engineer question. We had a metal roof taken off our house. The contractor put the plywood sheathing onto the 1 by 4 purlins that were left. The nails are quite long and go quite … read more
walkereng
walkereng
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We are thinking about reroofing a church that has a laminated
We are thinking about reroofing a church that has a laminated arch roof system covered with T&G 4x6 covered with shingles.We would like to add 4" of styro and then strap with 2x4 and then 26 gauge sta… read more
walkereng
walkereng
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i want to build a 20 x 40 single story structure on spead footings
i want to build a 20 x 40 single story structure on spead footings 20 ft on centers. what size i beam or concrete beam could span the 20 ft span. normal residential loading assumed.… read more
walkereng
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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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