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I am the process of designing a 18' wide by 32' building
I am the process of designing a 18' wide by 32' long building with a cathedral ceiling. I do not want to use ceiling joist or collar ties. I am needing to size the ridge beam needed instead of the rid… read more
walkereng
walkereng
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Question about thrust. Can a structure be designed with wall
Question about thrust. Can a structure be designed with wall thick enough to resist rafter thrust instead of using ties or ridge beams? I found an old book which claims this. … read more
walkereng
walkereng
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Sizing a beam to span an 11 foot clear opening on load
Sizing a beam to span an 11 foot clear opening on load bearing wall. … read more
walkereng
walkereng
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I am building a gable roof 12-3 and 8-3 wide wall to wall. I
I am building a gable roof 12-3 long and 8-3 wide wall to wall … read more
walkereng
walkereng
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Is a truss in a single story house more about supporting the
Is a truss in a single story house more about supporting the weight of the roof, or tying the outside walls together? In an aeroplane, you need strong enough material to keep it together and hold onto… read more
walkereng
walkereng
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I have a triple 1-3/4" x 11-7/8" Metsawood brand Kerto LVL
I have a triple 1-3/4" x 11-7/8" Metsawood brand Kerto LVL beam spanning 21 feet inside to inside from 3'' bearing inside a wall on a house to 5-1/2" bearing on a 6x6 treated lumber post. The beam is … read more
StructuralEng
StructuralEng
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We are looking for a consultation on sizing two beams. One
Hello, we are looking for a consultation on sizing two beams. One is to support a roof ridge and the other is to support a floor. … read more
StructuralEng
StructuralEng
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I have a question for a structural engineer. I am seeking to
I am seeking to add a supplemental structural ridge beam under a ridge board in an old garage, which has some roof sagging (3-4"). It's got 2x8 rafters, 4/12 pitch, and just a 2x8 ridge board with no rafter ties and just a few collar ties. Span is 24'. We would like to drywall the underside of the "cathedral" type ceiling. The walls are concrete block except for the triangular gable ends which are framed. We are not looking to remove anything existing, just slide in a supplemental beam as described here: https://www.youtube.com/watch?v=BMSo-avByjY&list=WL&index=6&t=0s The video shows roof trusses being cut, but we have no trusses - it just describes the method of lifting we'd like to use. My question is, what size LVL beam do we need? The supplier near me offers microlam LVL 1 3/4" thick beams in 14", 18" tall, and other heights, in any length, that are supposed to be sandwiched to make any width like 3.5" or 5.25". We do not want to add rafter ties because the vertical walls are only 7' tall and we need the headroom. … read more
StructuralEng
StructuralEng
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I have an addition we're building to my home it's 27' wide
Hello I have an addition we're building to my home it's 27' wide 16 feet long..2x10 roof rafters that are 15feet 6 inches long 16 on center with 2x12 ridge beam 5/12 pitch I live in Vermont we're we g… read more
StructuralEng
StructuralEng
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I am looking to build a patio roof structure free standing.
Hello I am looking to build a patio roof structure free standing. The over all size is 18' wide by 27' long. I have a few questions.1) What size posts should I use? Also, what footing or connection fo… read more
walkereng
walkereng
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Im an Architect looking to size an LVL beam. Opening is 17'
Im an Architect looking to size an LVL beam. Opening is 17' wide. Has a 2nd floor above. House is 29' wide. … read more
StructuralEng
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I am installing a 12' patio door (replacing a 6' patio door
I am installing a 12' patio door (replacing a 6' patio door and adjacent window) and need to know what size header to use. The wall where the door is going is at the gable end of the room. … read more
StructuralEng
StructuralEng
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What size microlam beam 14ft to cary a roof span of 19ft on
what size microlam beam 14ft to cary a roof span of 19ft on a 4/12 pitch with the beam in the center. … read more
StructuralEng
StructuralEng
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I have a room in a remodel with conventional 8' ceiling that
I have a room in a remodel with conventional 8' ceiling that I want to convert to cathedral. Walls are 2 X 6 - 16"OC - roof is a 4/12 pitch and is … read more
StructuralEng
StructuralEng
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Can I ask why nailing additional roof rafters and attaching
Can I ask why nailing additional roof rafters and attaching them to existing roof trusses does the job of supporting the roof without the need for the ceiling joist? What is the physics behind it? Are… read more
StructuralEng
StructuralEng
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I have a single story cottage that is 32w x 24d with cathedral
I have a single story cottage that is 32'w x 24'd with cathedral ceiling. I would like to increase roof height to accommodate a small loft bedroom. Is this even remotely practical with a 32' span? Exi… read more
StructuralEng
StructuralEng
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Im looking to build a 14 ft wide x 32 long, boat shed, A frame,
I'm looking to build a 14 ft wide x 32 long, boat shed, A frame, 4/12 pitch, but would like to do a cathedral ceiling so i can stand in the boat without hitting my head on cross ties. What size rafter… read more
StructuralEng
StructuralEng
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I have a 40x60 building with a 6/12 sissor truss with a 3/12
I have a 40x60 building with a 6/12 sissor truss with a 3/12 cieling on two foot centers. it has 1'' nailers on top of that with a steel roof. I want to put a 24ft wide 'A' off of that roof. How do I … read more
StructuralEng
StructuralEng
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