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I am building a pergola using 6x6 posts (11 ft long) and 6x8
Hi. I am building a pergola using 6x6 posts (11 ft long) and 6x8 beams. The front of the pergola, I will be placing a 18ft beam that will sit on a post on each end. I wanted to inquire of the 6x8 beam… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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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
Consultant
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I am building a attached walk deck with a 2nd story pergola
I am building a attached walk deck with a 2nd story pergola on top. I am using a engineered beam to span 28' wide with 3 posts on the bottom. Will a 6x8 or 6x10 beam work to span 3 6x6 posts for the p… read more
walkereng
walkereng
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I'm building a sloped patio cover and I'm trying to
Hello, I'm building a sloped patio cover and I'm trying to determine rafter spacing. Rafters attach to ledger on side of house and rest on top of a 4"x12" beam on the other end. The span between the h… read more
PaulH471
PaulH471
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Associate Degree
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I want to build a 18 deep by 30 wide porch free standing in
I want to build a 18 deep by 30 wide porch free standing in front of house was told that I would have to put post 5'9" apart to bolt my 2x8 frame to if I use a 30ft LVL what is my span between post an… read more
PaulP324
PaulP324
consulting engineer
MS
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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
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Bachelor's Degree
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Looking to build a Pergola with Western Red Cedar. Beam
Hi, Looking to build a Pergola with Western Red Cedar. Beam width 20' and a length of 18' with 4 8"x8"x9' posts. It will also have about qty15 - 2"x8" x 20beams on top … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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I'm planning on building a Pergola over a 16' x 12' deck. I
I'm planning on building a Pergola over a 16' x 12' deck. I am planning on covering the Pergola with Amerilux corrugated Polycarbonate panels attached to 2" X 2" purlin cross rails on the rafters. I'm… read more
walkereng
walkereng
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Building a new roof over an existing deck. Span between
building a new roof over an existing deck. Span between house and post is 12'5", can I use a 9 1/2" LVL to rest the rafters on (16" o.c.)? … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I am planning a set of loft beds. It will be two twin beds
I am planning a set of loft beds. It will be two twin beds end to end, spanning the entirety of a 12' wall. It looks like using some load and span calculators that I would need to go with 2x8s spaced … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
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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
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
I am extending a 4 ft cantileverd deck to 12 ft. I am
I am extending a 4 ft cantileverd deck to 12 ft. I am putting a 6x12 beam at the outside edge of joists and need to know how I can attach the new joists to the cantilever joists that we satisfy the co… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Building a deck. panning to run the jost parrell to the
panning to run the jost parrell to the house id like flush beams and use as few support legs as possibel … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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I have a couple of questions. 1. I am looking to build a
1. I am looking to build a pergola that will be a total of 28 ft long and 14 ft deep. I want to keep the middle as open as possible so I wanted to know can I use 2 X 12s as the beam and have a middle open span of 12 Ft? My thought is that I would have 4 columns total but move the 2 middle columns out to open the middle. Can this be Done? 2. Do the beams/header need to be 1 continuous beam? Or can I have a 12ft going to the 2 inside columns and tie in the outer columns off the inside Ones to make up the total of 28 ft.? 3. The rafters would be 2x8s running from the ledger on the house out 12 ft with a 2 ft overhang? I hope this isn't to confusing how I'm explaining it. … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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Building a pergola 16'x16'. One end will be attached to the
Building a pergola 16'x16'. One end will be attached to the house. I have 6"x6" pressure treated pine posts for support spaced 7.5' and 15' from the house. . The planned span between the posts is 13' … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am building an 12 x 20 deck with perpendicular decking. I
I am building an 12 x 20 deck with perpendicular decking. I have 6 x 6 posts 11 feet from the ledger board, can i use quadruple 2 x 8 for the beam? My beam would run from the ledger board to the 6 x 6… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Building a raised indoor deck platform about 7 x 14 deck
Building a raised indoor deck platform about 7' x 14' deck area about 10' off the ground in a garage. It will be used only for storage not for walking on. Load weight total maybe 1500 -2000 lbs over e… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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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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