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I am trying to figure out what size beam to use to span 20
I am trying to figure out what size beam to use to span 20 ft. I am building a patio cover off the back of my house to match the gable. matching the interior ceiling which has a 28 ft 4 by 12 ridge be… read more
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I am building a stand alone structure with a hip roof. 11x20
I am building a stand alone structure with a hip roof. 11x20 plus 1' overhang. The pitch is 4-12 and the rafters spaced 18"OC. It will be loaded with flat concrete tile. Was wanting to calc the beam s… read more
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StructuralEng
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21ft clear span with roof load. The roof is spanning 21ft
21ft clear span with roof load. The roof is spanning 21ft 12in pitch what size steel I beam for ridge support… read more
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StructuralEng
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Designing a shed 12'x12' with a ridge beam of triple 2x10's
designing a shed 12'x12' with a ridge beam of triple 2x10's the support would likely come down on a header with clear span of 6'. doing a few calculations with 30 psf live and 10 dead for raleigh, NC,… read more
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Planning to vault a ceiling in a 24' (clear span) x 28'
Planning to vault a ceiling in a 24' (clear span) x 28' total span room. Current roof structure is 2x6 rafters 16" oc. Hoping to install douglas fir ridge beam with support framing from concrete found… read more
StructuralEng
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I need some help sizing a simple span beam - I think I will
Hi - I need some help sizing a simple span beam - I think I will need a steel section, but if an LVL will work, that is preferable. The project is a residential renovation with 2x4 wall removal. The s… read more
StructuralEng
StructuralEng
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I am building a pavilion cover over a deck. I want to use
I am building a pavilion cover over a wood deck. I want to use cedar wood for the post, beams, and rafters. The post would be 8x8, the rafters 2x10 or 2x12 on 24" centers. The beams would span 14' on … read more
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Building an addition on my garage. addition is 16' wide by
building an addition on my garage. addition is 16' wide by 24' long. need to be open(no rafter ties) to accommodate car lift. was planning on using 1 3/4 x 9 1/2 LVL as roof support beam. is there a b… read more
StructuralEng
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Spanning 20' outside [email protected] pool no support in this area.
spanning 20' outside [email protected] pool no support in this area. whats the smallest laminated timber needed to support 2" x 10" x 16' rafters with 3/4" tongue and groove decking with composition shingles… read more
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I need to calculate the size of Steel I beam required to
Hello. I need to calculate the size of Steel I beam required to support 100lbs per lin ft uniform load. my clear span will be 35'… read more
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I want to span 18' with a beam to support 2' oc 2x10 rafters
I want to span 18' with a beam to support 2' oc 2x10 rafters which are 16' long and will rest on the birds mouth @ 14' (2' over hang). 6" pitch, Maine snow load, metal roof. What size should the 18' s… read more
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StructuralEng
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How big a LVL beam do I need to span 20 feet on a porch that
How big a LVL beam do I need to span 20 feet on a porch that is 16 feet wide. The beam will support 2x8 rafters.… read more
walkereng
walkereng
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i want to put 24 foot dormer across rear of garage. existing
i want to put 24 foot dormer across rear of garage. existing slope is 6/12. garage depth is 26'. new roof (shed type) slope would be 3/12. what size lvl beam for ridge?… read more
StructuralEng
StructuralEng
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I have a 24 ' wide building; 8/12 pitch; I am in snow country;
I have a 24 ' wide building; 8/12 pitch; I am in snow country; design snow loads are 100#/sq. ft.. I would like to install a glu- lam ridge beam and one glu-lam purlin /side. End bearing points are 20… read more
StructuralEng
StructuralEng
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I want to build a patio cover off the back of my garage. I
I want to build a patio cover off the back of my garage. I live in NJ and get decent snowfalls during the winter. I want to build a low slope gable end using 2x6 rafters spanning roughly 10 ft and use… read more
StructuralEng
StructuralEng
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i have a 20 wide garage with a sagging ridge. it has a 16"
i have a 20' wide garage with a sagging ridge. it has a 16" wide door that is also sagging. it has a 1x6 ridge now which i'll replace with a beam. what size GLB or LVL should i get? thanks mike… read more
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StructuralEng
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I am spanning 20 feet with an 8 inch 15lb steel I-beam and
I am spanning 20 feet with an 8 inch 15lb steel I-beam and need to know my roof load and wind lift for the metal roof.… read more
StructuralEng
StructuralEng
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I am wanting to make an addition to my house. I would like
I am wanting to make an addition to my house. I would like the roof to be a vaulted ceiling. The span from the existing exterior 2x6 wall of the house to the new gable end is 28'. The width of the new… read more
walkereng
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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