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I am building a pergola that is approximately 24' wide by
I am building a pergola that is approximately 24' wide by 18' long. The rafters, which are 3"x6", will be connected to a ledger on the home and they will span 18' in total. However, the rafters will a… read more
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walkereng
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I am building a outdoor pergola structure that involves a 24
I am building a outdoor pergola structure that involves a 24 foot span between two garage buildings I will likely need to use a steel beam, ibeam or rect tube to avoid any sagging that I would get wit… read more
walkereng
walkereng
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I plan to build a free standing pergola using 4 6"x6"x8'
I plan to build a free standing pergola using 4 6"x6"x8' Hem-fir pressure treated. I have 2 designs in mind: … read more
walkereng
walkereng
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Looking to build a Western Red Cedar pergola measuring
Looking to build a Western Red Cedar pergola measuring 17'x12.5' covered with corrugated polycarbonate on my raised deck using a 4'x8'x17 ledger mounted to my stuco house, two 4'x8'x20' posts and … read more
StructuralEng
StructuralEng
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I'm wanting a free-standing pergola, rough red cedar, 18' x
I'm wanting a free-standing pergola, rough red cedar, 18' x 12', 8”x8” cedar posts. Trying to get the absolute max span between posts on the 18' span. Could make it 16' x 12' if it gets me to two post… read more
StructuralEng
StructuralEng
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I am looking for an engineer that can answer a question on a
I am looking for an engineer that can answer a question on a support beam replacing a load bearing wall … read more
walkereng
walkereng
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I am building a Pergola 20'x20'. I will be using 4x12x20
I am building a Pergola 20'x20'. I will be using 4x12x20 full dimension douglas fir for the beams. They will be supported on 8"x8" columns. The rafters will be 3x10x20 full dimension douglas fir. The … read more
StructuralEng
StructuralEng
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I'm building a pergola. I need to carry a 20' span. What
I'm building a pergola. I need to carry a 20' span. What size I-beam do I need … read more
walkereng
walkereng
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I have a patio attached to my house which is 17' deep x 28'
I have a wood patio attached to my house which is 17' deep x 28' wide." There are four 4"x6"x8' posts, one on each corner and the other two equally spaced apart. The posts are about 7' apart. On top o… read more
walkereng
walkereng
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I am planning on partially covering a wooden deck. The cover
I am planning on partially covering a wooden deck. The cover (13' wide and project 11' ) will attach to the flat back wall of the house and be supported at the other end by 6"x6" wood posts. Those pos… read more
walkereng
walkereng
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I have a 5' x 20' deck/balcony that is supported via engineered
I have a 5' x 20' deck/balcony that is supported via engineered 2"x8" I beam style wood joists. These joists extend out "cantilever" from the upper floor level of my house approximately 60" and are to… read more
StructuralEng
StructuralEng
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I would like to build a pergola with a steel beam 24 feet long
I would like to build a pergola with a steel beam 24 feet long and the uprights spaced. 20 feet apart. . What size steel beam would be good?… read more
walkereng
walkereng
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can a 4"x8" douglas fir rafter span 20' when used with a 3
can a 4"x8" douglas fir rafter span 20' when used with a 3 - 12 pitch and a metal sheet roof. Its an outdoor patio overhang that spans 20" x20"… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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Im quoting a pergola thats 12 X 24 the 6 X 6 posts will
I'm quoting a pergola that's 12' X 24' the 6 X 6 posts will be 12' apart and the "rafters" will need to span 24'. Can I do this with 2 X 12 "headers" and 2 X 12 rafters?… read more
walkereng
walkereng
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Bachelor's Degree
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For a small gazebo with a 3/12 pitch asphalt shingle hip roof,
For a small gazebo with a 3/12 pitch asphalt shingle hip roof, 4 - 6x6 posts with a 8' span between, what size beam should i use?… read more
walkereng
walkereng
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Bachelor's Degree
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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
StructuralEng
StructuralEng
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Bachelor's Degree
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Setting up plans for a 19 1" w x 10 d overhang on the side
Setting up plans for a 19' 1" w x 10' d overhang on the side of my summer home. My plan is to leg bolt (1) 2"x8"x18'10" to another (2) 2"x8"x9'5" that was allready been installed to the home (when we … read more
StructuralEng
StructuralEng
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Hi again, based on the beam sizes you provided me, can I get
Hi again, based on the beam sizes you provided me, can I get away with no interier ceiling joists ? Maybe I can add a simple 2"x4" x 3' collar to each rafter and be OK ? Thanks,… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,327 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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