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I am adding a 30' wide covered open patio and wanted to know
I am adding a 30' wide covered open patio and wanted to know what to use to span the 30' center roof support? I was wanting to leave the middle an open area, any suggestions will greatly be appreciate… read more
walkereng
walkereng
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How far can an 8x8 deck beam span? Building a 16'x22'
Building a 16'x22' carport that will want to have as a roof deck down the line. Four 8x8 posts, two 16 ft long beams front and back, 22 ft joists perpendicular to them. what are the smallest beam and joist sizes possible with these spans? … read more
PaulP324
PaulP324
consulting engineer
MS
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I want to build rafters using red cedar 4 x 4 x12'.over a
i want to build rafters using red cedar 4 x 4 x12'.over a patio with of building is 17Ft any suggestions wanting to use cedar for the look … read more
PaulH471
PaulH471
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Building a DIY patio cover/pavilion. Post spacing is 11 feet
Building a DIY patio cover/pavilion. Post spacing is 11 feet wide by 18 feet long. For the long side (18') Would a 4x12 Cedar beam work or should I use 6x12? either way I will use knee braces that ext… read more
walkereng
walkereng
Consultant
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I need a beam 20' f spande can i get 3x6 parallam,
i need a beam 20' f spande can i get 3x6 parallam, … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I would like to build a 12'x12' covered portion of my deck.
I would like to build a 12'x12' covered portion of my deck. We live in Ontario so there is high likelihood of heavy snow load. I would like to only support the roof with a 6x6 post at each corner. Can… read more
StructuralEng
StructuralEng
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I have existing 19'-10" W x 36'- 0" L shop garage building.
I have existing 19'-10" W x 36'- 0" L shop garage building. I currently has a single slope roof using wood joists, 3/4" wood plan sheathing, and 5-vcrimp metal roof. What is there now is in very poor … read more
StructuralEng
StructuralEng
Consultant
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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
4,728 satisfied customers
I am trying to figure out what size I beam I would need to
I am trying to figure out what size I beam I would need to span 24' , and carry a load of a 2X10 rafter on 16" centers, with steel roofing and 1X6 wood strips … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I was looking at a question already posted. I have a 24'
I was looking at a question already posted. I have a 24' span over a carport. The rest of the carport can be cedar beam, because I can post them. The entry side has to be clear. I wondered if a 4”x12”… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
For a deck with a flush beam, what is the maximum spance for
For a deck with a flush beam, what is the maximum spance for 5 treated 2x12's (laminated together) on 8x8s? … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Im planning on designing a pavilion connected to my house
Hello, im planning on designing a pavilion connected to my house (on one ed). The span of the pavilion will be 16'w x 32' long. One side will have 3 8x8 cedar posts at 8ft, then 254' and then on the e… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I'm building a carport in california (no snow). I am using
i'm building a carport in california (no snow). I am using 8x8 cedar or fir posts 22feet apart. I want a wood beam to span the posts plus an extra foot on each side. There will be joists every 40" or … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
i am wanting to build a covered pavilion, it will have 2x6
i am wanting to build a covered pavilion, it will have 2x6 cedar rafters 2ft on center, cedar T&G on top of the rafters, then osb decking then shingles. the dimensions are 16ft wide by 20ft long, one … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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I am building a roof over a deck and would like to use rough
I am building a roof over a deck and would like to use rough 2x12 to support the end of the roof i don't know the span chart on df how many 2x12 would i have to laminate or I could use post strand and… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
I am building a roof over a deck using 6 x 6s as posts spaced
I am building a roof over a deck using 6 x 6's as posts spaced 12' apart (12' x 12'). The roof will have 4 x 6's for rafters on a 9/12 pitch spaced 3' apart (0, 3, 6, 9, 12') with 1 x 8" t/g on top of… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am going to build an 18.6 x 12 wood frame storage shed.
I am going to build an 18.6 x 12 wood frame storage shed. I want to use 2 ea. 2 x 6 for the roof beam (no trusses). The rafters are to be on 16 in. centers. The roof covering will be 1/2 in. plywood, … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I built a lake house that is 28 wide and 34 long. I constructed
I built a lake house that is 28' wide and 34' long. I constructed a 34 foot long center beam for the roof by using 2X12's, elmers wood glue, steel bolts with washers and nuts. I glued 9 2x12's togethe… 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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