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I need to calculate a ridge beam size. I have a building
I have a building 14x14 with 12/12 pitch roof, planning rafters of 2x8. Wondering what size ridge beam I need to support this roof so there will be no collar ties or ceiling joists tying rafters together. … read more
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I am going to build a home this spring and I am looking for
Hello, I am going to build a home this spring and I am looking for what size I-beam required to clear span 34' for a structural roof ridge. The run is 23' the pitch is 12/12 using 14" I-joist rafters … read more
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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
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I am building a cottage in PEI, Canada and am wondering how
I am building a cottage in PEI, Canada and am wondering how long I can span the roof beam before I need a column support under the following conditions: Roof construction: 2x10 rafter construction for… read more
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I'm building a 66x43 feet structure, what size of lumber
I'm building a 66x43 feet structure, what size of lumber should I use for ridge beam and rafters?all open underneath the roof, no columns, no interior walls, 6:12 pitch, shingle roofing, and no snow … read more
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My house is 28 ft x 60 ft. Near the center of house is a
My house is 28 ft x 60 ft long. Near the center of house is a kitchen that is 12ftx16ft, with a load bearing wall between it and living room. The living room is 16ft x 16 ft. Between the two rooms is … read more
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I am building a cabin 32' by 20' with a 10/12 metal roof. I
I am building a cabin 32' by 20' with a 10/12 metal roof. I was wanting to have a vaulted ceiling with a structural ridge beam. If looking at the length of the cabin, I was planning a vertical 12"x12"… read more
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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
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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
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I need to span 21 ft 4 inches held up by existing walls on
I need to span 21 ft 4 inches held up by existing walls on either side. How big of a beam do I need to hold up the roof… read more
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What size lam is needed ridge beam, 27 ft span supported
What size lam is needed for a ridge beam, 27 ft span supported each end with 4 x 4s, 2 x 10 roof rafters with a 4/12 pitch, spanning 9 ft from wall to ridge, 5/8 roof sheathing, se pennsylvania… read more
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What size beam do I need to create an opening of 21' 4" in a
What size beam do I need to create an opening of 21' 4" in a single story home on a crawl space with a roof pitch of 4/12. Rafters span 11' either side onto the exterior walls plus 18" past the exteri… read more
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I have a 25 span, carrying a 4-12 pitch roof - 10 from load
I have a 25' span, carrying a 4-12 pitch roof - 10' from load bearing exterior wall - what size of I-beam is required?… read more
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what size ridge beam is required for a 40 length with 16
what size ridge beam is required for a 40' length with 16' rafters 16"oc also necessary rafter size ?… read more
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I want to span 15 ft 2 inches and support floor wall and roof.
I want to span 15 ft 2 inches and support floor wall and roof. I am using a 3ply 1 3/4 inch x 14 inch LVL's . Your thoughts?… read more
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I want to remove 6 of the 8 ceiling joists in my log cabin
I want to remove 6 of the 8 ceiling joists in my log cabin to give the ceiling a more open feel. I need to know the proper dimensions of the a) ridge beam b) remaining 2 ceiling joists c) vertical stu… read more
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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
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I need help sizing a ridge beam for a room I am renovating.
I need help sizing a ridge beam for a room I am renovating. the room is 15 feet wide and 22 feet 8 inches long. It is 1 story block construction from footing to eave. there is currently a flat ceiling… read more
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