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Vaulted ceiling ..open clear span of 24 ft.. roof rafters on
vaulted ceiling ..open clear span of 24 ft.. roof rafters on each side 19 ft long. i was told on here that 4 18 in lvl 2.0 would be sufficient ..is this correct and also is this with rafters intersect… read more
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How many 2x12 would be needed as a beam to support the load
how many 2x12 would be needed as a beam to support the load of a second floor on a 16 foot span? … read more
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I want to remove an existing 4x12 for header beam that spans
I want to remove an existing 4x12 Doug for header beam that spans approximately 12 feet. The beam supports the rafter and wall framing above it. The room has a vaulted ceiling. From the looks of the w… read more
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I am removing a wall between to rooms in my house in Detroit
I am removing a wall between to rooms in my house in Detroit Mi, I would like to clear span the opening 27' the steel I beam is supporting on one side ceiling joist and rafters of the 4 in 12 roof abo… read more
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I WANT TO REMODEL THE FRONT ROOM LIVING AREA CEILING TO A
I WANT TO REMODEL THE FRONT ROOM LIVING AREA CEILING TO A CATHEDRAL CEILING . THE BEAM WILL NEED TO SPAN JUST UNDER 20' AND THE WIDTH OF THE ROOM IS 12' 6" WHAT SIZE BEAM WILL I NEED AND WHAT SIZE WIL… 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 have a span of 26 feet. I want to know if I take 2x4's and
second opinion] I have a span of 26 feet. I want to know if I take 2x4's and routed 2, 1/2 in channels the length of the 2x4 and used 1/2 inch x 5 inch plywood sandwiched between will support the 26 f… read more
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I am expanding my garage with a 2nd floor bonus room above.
I am expanding my garage with a 2nd floor bonus room above. I can attach my plans, but I need to confirm that my spans are good and the beams/rafters are properly sized. The garage is 18' x 22' and th… read more
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I want to remove a wall and replace with a beam, preferably.
I want to remove a wall and replace with a beam, preferably wood. Span is just under 21'. Originally, was an exterior wall with gable. Ceiling joists run perpendicular to this wall, but common rafters… read more
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21ft clear span with roof load. The roof is spanning 21ft
21ft clear span with roof load. The roof is spanning 21ft 12in pitch what size steel I beam for ridge support… read more
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Planning to vault a ceiling in a 24' (clear span) x 28'
Planning to vault a ceiling in a 24' (clear span) x 28' total span room. Current roof structure is 2x6 rafters 16" oc. Hoping to install douglas fir ridge beam with support framing from concrete found… read more
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Im looking to open up my living room into the kitchen,so I
hi pearl im looking to open up my living room into the kitchen,so I would like to remove the center wall between them.the span would be 28 ft,just curious what size lvl to use … read more
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I want to move a wall about 5 feet, it is not exactly a
I want to move a wall about 5 feet, it is not exactly a bearing wall, but it does contain a column that supports a header that the ceiling joist attach to. The clear span is 18.5 feet. I would like to… 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 recently opened my kitchen ceiling to find the middle 10'
I recently opened my kitchen ceiling to find the middle 10' wide span of the 10' x 20' long room sagging a bit. It has a 2"x8" across the span - clearly not quite enough to hold steady - has gable end… read more
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StructuralEng
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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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I am building a 14'X20' sun room, my house has a 2' over
I am building a 14'X20' sun room, my house has a 2' over hang on the second floor making the roof size of the room 20'X12' (the extra 2 feet is under the overhang). The roof pitch is 3.5/12. The contr… read more
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Clear span of 22.5 ft supporting cathedral ceiling ridge board
Clear span of 22.5 ft supporting cathedral ceiling ridge board with total width of 29 ft and tributary load of 330 lb/ft. Is there an alternative to steel W8x21 in a wood product?… read more
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