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I have a 17'5" wide by 20' deck that holds ~1500 pounds in
I have a 17'5" wide by 20' long deck that holds ~1500 pounds in trusses. The first 8' in length holds a deck above with an additional ~500 in trusses and has a TCLL of 40psf. The remaining 12' has a T… read more
JAYCEG
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Looking at building a 20x30ft carport with one 30ft edge
Looking at building a 20x30ft carport with one 30ft edge coming off a ledger board attached to the house. The top of the carport would be a cedar deck. Will have 2 beams supporting floor joists runnin… read more
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Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched
Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched between for beam 24 feet long to support 16 ft joist on deck over garage door . How far can it span between posts … read more
StructuralEng
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I want to figure out the minimum size floor joist for a 12'
I want to figure out the minimum size floor joist for a 12' wide screened porch that will have an exposed crawl space … read more
walkereng
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I'm building a 20x20 deck directly off a house. Can I use
I'm building a 20x20 deck directly off a house. Can I use (3) 2x12 beam at center and at end of deck. And use 2x10 joists at 16" o/c? … read more
StructuralEng
StructuralEng
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I have a old grain building I am converting to my shop and
I have a old grain building I am converting to my shop and need to make sure a beam I am installing is appropriately sized. Can you help? … read more
StructuralEng
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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'm replacing a 16.5' span that held up a enclosed porch
I'm replacing a 16.5' span that held up a enclosed porch extension 4x6. it is currently braced at 8 feet with a 4x4 post. I want to eliminate the middle post and have an open span of 16'. I need this … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I recently opened my kitchen ceiling to find the middle 10'
I recently opened my kitchen ceiling to find the middle 10' wide span of the 10' x 20' long room sagging a bit. It has a 2"x8" across the span - clearly not quite enough to hold steady - has gable end… read more
StructuralEng
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I want to open up the wall between my kitchen and living room.
I want to open up the wall between my kitchen and living room. The wall is load bearing. The joists are 2x4 16 inch oc and the attic is non storage non occupied. The attic does hold the HVAC ducts, el… read more
StructuralEng
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We are building a deck on a house and using manufactured aluminum
We are building a deck on a house and using manufactured aluminum decking with 2x12 joist on 24" center which spans 20ft from the house. The front or outside horizonal span is 32' across the front of … read more
StructuralEng
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I am wanting build a rather large second story deck. I do
I am wanting build a rather large second story deck. I do not want mid post below. The span is almost 18'. What size joist would it take to span that far and what centerline would it be?… read more
StructuralEng
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Looking to add on a carport with a 24' span off the existing
Looking to add on a carport with a 24' span off the existing house. Only about a 1 percent slope but it is in southern arizona with no snow load and very little rain. Could we use the wooden I-beams d… read more
StructuralEng
StructuralEng
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i need to span 20' and i have 3 4x12s, doug fir, beams, will
i need to span 20' and i have 3 4x12s, doug fir, beams, will they need to be supported in the middle or can they carry a metal roof on top of them, for my carport without support posts in their center… read more
StructuralEng
StructuralEng
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I have a small building (250 square foot). It has high ceilings.
I have a small building (250 square foot). It has high ceilings. I want to put a loft over part of it inside. I was thinking that if I thought of it as a 'deck' that happens to be inside, I would put … read more
walkereng
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i have a conventionally-framed roof on my house. i am interested
i have a conventionally-framed roof on my house. i am interested in removing a bearing wall and supporting the joists instead with a beam. the span i plan to beam across is 10 feet. the joists are 2x6… read more
StructuralEng
StructuralEng
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i am designing a deck on a second floor, so off the ground
i am designing a deck on a second floor, so off the ground 8'. I want to put a hot tub on this deck and i am wondering what type of joists to use and if any flitch plates are necessary. I would rather… read more
walkereng
walkereng
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I have a deck with cantilevered joists that are deteriorated. I
I have a deck with cantilevered joists that are deteriorated. I am going to cut the joists off at the house. I will install a ledger on the side of the house. I need to install a 28 foot beam 7 feet o… read more
StructuralEng
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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