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I'm building a free standing deck with a large pergola. This
I'm building a free standing deck with a large pergola. This section of deck is about 24 feet long. The plans call for 6x6 posts in the corners. The pergola calls for 6x12 beams resting on the 6x6 pos… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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Freestanding open-air WRC pergola. One side of pergola has 3
Freestanding open-air WRC pergola. One side of pergola has 3 posts (no issue), other side has 2 posts. Side with 2 posts: span between the two 6x6 posts is 16' (no knee bracing). The question is if a … read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
I have a question about spanning a 25' area for a loft in a
I have a question about spanning a 25' area for a loft in a clear span steel building with LVL or BCI Beams WITHOUT having to place support beams in the middle of the span. … read more
walkereng
walkereng
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Bachelor's Degree
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I'm looking at building a modern looking Pergola. The size
Good Day,I'm looking at building a modern looking Pergola. The size of the pergola would be 10 feet by 20 feet rectangle. The lumber in this area readily available is Douglas Fir from the big box stor… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,076 satisfied customers
For an open pergola with no live load, I want to know if a
For an open pergola with no live load, I want to know if a 6x12 cedar beam will span 17'-8" between two 6x6 columns, with 2' overhang on each side - i.e. total length of beam is 21' 8". It will be sup… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I need to span 16 feet for a roof over a deck one side will
I need to span 16 feet for a roof over a deck one side will be on the other on a 6x6 post will 3 2x10 20 foot support the roof will be a pitch of 4-12 2x6 rafter… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,076 satisfied customers
I am designing a pergola. It is 16' wide by 12' deep, post
I am designing a pergola. It is 16' wide by 12' deep, post to post. I would like to use 6x6” wood for posts and beams all around. Joists will be 4x6” (four of them) and then 2x2” rafters on top(about … read more
walkereng
walkereng
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Bachelor's Degree
5,076 satisfied customers
Sure. I building a pergola, timber framed style. I have 12'
Sure. I building a pergola, timber framed style. I have 12' span and plan on using 6X6 timber western red cedar beams. My calculations is that such beams will handle 1200lbs each. or 2400lbs combined … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I want to use 4x6 rough redwood con heart rafters to span
i want to use 4x6 rough redwood con heart rafters to span 12.5' with 24" on center with no roof load except for 2x2 stringers. the slope is 2/12 … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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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
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I want to build a 16x12 Pergola with only 4 posts. The posts
I want to build a 16x12 Pergola with only 4 posts. The posts will be 6x6 I want to know the size beams I will need to cross the 16 foot span. I am thinking 2 2x12s will work fine since there is no roo… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am building a 14'X20' sun room, my house has a 2' over
I am building a 14'X20' sun room, my house has a 2' over hang on the second floor making the roof size of the room 20'X12' (the extra 2 feet is under the overhang). The roof pitch is 3.5/12. The contr… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I building a pergola and the 6x6 are spaced 20 ft apart. I want to use a double 2x12x24 to
I building a pergola and the 6x6 are spaced 20 ft apart. I want to use a double 2x12x24 to span the 6x6. There will be 6 6x6 total. The dimension of pergola will be 24x16. There will be 2x10x16 on top… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,076 satisfied customers
I plan to build a pergola using Western Red Cedar using 2 post
I plan to build a pergola using Western Red Cedar using 2 post design with 2'x10' ledger board attached to house. overall size: 20' wide x 19' in length. Use 2 - 6"x6" WRC posts Use 14 - 2"x8" WRC raf… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am adding an addition onto my elevated existing deck. The
I am adding an addition onto my elevated existing deck. The addition will be 9 feet long and 16 feet wide. I will be using the existing metal beam (approx 9x7 inches) of the existing deck. The span of… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,076 satisfied customers
I have a wood deck that sits 11 feet above ground. I have
I have a wood deck that sits 11 feet above ground. I have 10 6x6 PT posts with a support beam of (3) 2x12 at the middle point of the deck which is 8 feet wide by 20 feet long. The (3) 2x12 support bea… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,076 satisfied customers
I am building out a residence within an existing metal building.
I am building out a residence within an existing metal building. In the living room, I want to have sloped ceilings (2:12 slope) with a ridge beam down the middle. The room is only 16' wide, but the l… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I want to use pressure treated pine for outdoor pergola. I
I want to use pressure treated pine for outdoor pergola. I need beams to span a whopping 18 feet for an open feel. I don't know whether to a) build my own by bolting together two or three 2x10's or 2x… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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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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