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I am building a dormer on a twelve pitch roof with a
I am building a dormer on a twelve pitch roof with a building width of twenty four feet , the dormer is 9'-8” wide and two 9 1/4” lvl will be the speced header . Can two 2x10 radfters carry the load o… read more
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I have a 16'6" span carrying a roof with a 4/12 pitch. Need
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Open span of a vaulted ceiling..span is 24 ft. what size of
open span of a vaulted ceiling..span is 24 ft . what size of a beam for an 8/12 pitch roof ridge beam. LVL. ....rafters would be about 20 ft long 2x12 total length of room is 38 width is 24. this beam… read more
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Raising the roof of a second floor gable dormer to enlarge a
Hi. Raising the roof of a second floor gable dormer to enlarge a room and need help sizing a rafter member. One sidewall of the new dormer can be supported by first floor partition wall below that goe… read more
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I'm removing a 20 foot section of wall that used to be an
Hi, I'm removing a 20 foot section of wall that used to be an exterior wall before a shed type addition was added. The building is a barn type structure with a loft. The wall supports the loft's floor… read more
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Building a split roof shed 12x18, and wondering what size
Building a split roof shed 12x18, and wondering what size beam to use to span the roof line, which is 12'. The upper roof has a 2/12 pitch and the lower roof has a 1/12 pitch. the drawing I have shows… read more
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I have a shed dormer framed up with its rafters (2x6) at
I have a shed dormer framed up with its rafters (2x6) at ~2.7/12 pitch. The rafters are nailed into a ridge board (2x8). Do I need a ridge beam if I use rafter ties?… read more
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I am building a 15'x32' vaulted roof for an outdoor kitchen.
I am building a 15'x32' vaulted roof for an outdoor kitchen. What size ridge beam would be sufficient? It's a 6/12 pitch. There's 6 aluminum posts for support. … read more
StructuralEng
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I'm building an addition on my cabin in the Upper Peninsula
I'm building an addition on my cabin in the Upper Peninsula of MI (big snow country). The cabin is 22 feet wide and the roof is a 12/12 pitch. I plan to have an 11 foot shed dormer on each side, the p… read more
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I am expanding my garage with a 2nd floor bonus room above.
I am expanding my garage with a 2nd floor bonus room above. I can attach my plans, but I need to confirm that my spans are good and the beams/rafters are properly sized. The garage is 18' x 22' and th… read more
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I'm looking to build a screened porch in Iowa that measures
I'm looking to build a screened porch in Iowa that measures 16' wide by 20' long with a vaulted ceiling at the same pitch as the roof (6/12). What size LVL beam would be necessary to carry the load on… read more
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What size ridge beam would I need for 16 ft tributary width,
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I live in lambertville New Jersey, I want to build a shed
I live in lambertville New Jersey, I want to build a shed dormer on the back of my house to increase headroom in my bedroom on the second floor of my house and make room for another bathroom and close… read more
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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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Span 36 wide house with 8 pitch and 130 # snow load, New
Span 36 wide house with 8 pitch and 130 # snow load … read more
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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
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I would like to build two 6 ft. wide dormers on an existing
I would like to build two 6 ft. wide dormers on an existing 28' wide cape cod style house. The existing roof structure is 2x6 rafters at 16" o.c. with a 2x10 ridge board and 2x6 ceiling joists/collar … read more
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I am adding a porch roof to the rear of my house. I plan to
I am adding a porch roof to the rear of my house. I plan to use a 12:12 pitch roof (2"x8" rafters with 3/4" thick T&G Cedar attached to the bottom) and a single 2”x10” Ridge Bream. The porch/ridge bea… read more
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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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