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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
5,139 satisfied customers
I am building a patio cover on my house. The rafters will be
I am building a patio cover on my house. The rafters will be 2x8 with a 6:12 roof pitch. The patio is 14' wide and 24' long. I want the 24' to be clear span with one end attached to the house and the … read more
PaulP324
PaulP324
consulting engineer
MS
1,264 satisfied customers
I am building a red cedar pergola over a concrete patio. I
I am building a red cedar pergola over a concrete patio. I intend to use 8x8x0 post, with 4x12x12 beams. The beams will hold 2x8x14 rafters that 24" on-center. The rafters will be topped by 2x3x14 24"… read more
JAYCEG
JAYCEG
College Degree B.S.
99 satisfied customers
I have a question regarding a pergola beam size. I would
Hi, I have a question regarding a wood pergola beam size … read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,139 satisfied customers
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
5,139 satisfied customers
I wanted to know what is the largest span I can use on a
I wanted to know what is the largest span I can use on a patio cover with a redwood con heart smooth finish 6x6 beam. I have a 12ft opening and a 15ft opening that I planned on using a 6x6 across. … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I'm building a patio with upstairs. I have two 6x12" beams
I'm building a patio with upstairs. I have two 6x12" beams on four 6x6" posts. We are using 2x10" joists. I'm trying to figure out how long the post spacing can be. The joists will span about 9 or 10'… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Simple Pergola design question. There is a span between
Simple Pergola design question. There is a span between posts of 12'. The beam being used is 16' 4'X8" treated pine. The beam will cantilever roughly 4' past posts. How can I determine if the cantilev… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,139 satisfied customers
I am building a pergola with a 25ft span from one upright to
I am building a pergola with a 25ft span from one upright to another. I am simply putting 2" x 6" cedar joists on the top but since it is such a long span I do not want it to sag. Will a W6x15lbs galv… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 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
5,139 satisfied customers
Would like to span aprox 40' with steel I beam.. post can be
would like to span aprox 40' with steel I beam..jack post can be used in intervals if needed to spread the load of Metal roof and wood roof trusses.. this is an exterior application that would require… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I want to put a bridge over a stream using steel I beams the
I want to put a bridge over a stream using steel I beams the span would be 24ft I need this strong enough to drive a loaded cement truck across . what size beams would I need and how many Bridge will … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I am replacing a ceiling beam on an outdoor Paris. I need to
I am replacing a ceiling beam on an outdoor Paris. I need to know if a 20' 6x6 beam will be suffice, as well as if 2 6x6 vertical support beams will be enough to hold it up, and the maximum spacing be… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I need to size an I-beam to replace the current structural
I need to size an I-beam to replace the current structural load under a raised part of my house. The span is 12 ft and is currently spanned by a 4x4 wood beam and supported by a 6x6 post at the end, t… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Looking guidance on mounting a cantilevered two post pergola
Looking for some guidance on mounting a cantilevered two post pergola to an existing 3' raised concrete patio. Rough pergola dimensions are 16' wide, 10' tall, and 6' deep. A 6x6 post would be used at… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,139 satisfied customers
Can I use a 6x6 fur beam rafter that spans 14' with a 2'
Can I use a 6x6 Douglas fur beam for a rafter that spans 14' with a 2' over hang? Snow load of 30 lbs and using T&G 2x6 for the roof, it's for an outdoor patio cover.… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Want to place 6x6 posts free standing pergola on existing
Want to place 6x6 posts for a free standing pergola on existing driveway slab. How close can I set them to edge? We are in a snow and wind load area at about 4500' elev.… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,139 satisfied customers
I have an old house that I want to remove a wall and install
I have an old house that I want to remove a wall and install a header to open the area up and take the load. Opening span: 11' 8" Header : height 7 1/2" I have a picture of the senerio that you are go… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,139 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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