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Trying to size a ridge beam for a 24 to 28 foot span for a
trying to size a ridge beam for a 24 to 28 foot span for a cathedral ceiling. walls are 16 oc and 10 feet of load. Rafters span 20 foot opening. standard asphalt shingle roof. It has a supported 4 x 1… read more
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walkereng
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I'm trying to shore up sagging roof rafters. The span is
Hi, I'm trying to shore up sagging roof rafters. The span is 20'. I don't have much space. Wondering what the span might be for 4x6s ... I realize this a 2x12 is probably the minimum... … read more
walkereng
walkereng
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We have a concrete block warehouse with a 14' wide by 14'
We have a concrete block warehouse with a 14' wide by 14' tall garage door and would love to cover this opening with some sort of roof to keep rain and snow off when loading and unloading trucks. This… read more
walkereng
walkereng
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I would like to support my garage roof with a steel beam 23
I would like to support my garage roof with a steel beam 23 ft long vs several supports … 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
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StructuralEng
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In my garage I have a loft above, the original blue prints
In my garage I have a loft above, the original blue prints have it there as well. The walls up to the ceiling of the garage are 16 on center but the rafters that span the garage are 20 on center. What… read more
StructuralEng
StructuralEng
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I built a barn myself (with wife and son). It is a 40x60'
I built a barn myself (with wife and son). It is a 40x60' with center 2x6 wall. 8 in 12 pitch with steel roof over 1/2" plywood. A small overhead storage area 14' over the center wall, which I never u… read more
StructuralEng
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I need to replace a rafter tie that was removed from the
I need to replace a rafter tie that was removed from the roof joists of an old railroad station when it was converted into apartments in the 1950's. The roof was once covered in clay tiles (1000# ****… read more
StructuralEng
StructuralEng
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I need to support a sagging floor with a steel beam. 35 year
i need to support a sagging floor with a steel beam. 35 year old home with kitchen over a basement garage with metal post 12 feet from wall supporting floor joists. kitchen island with granite counter… 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
StructuralEng
StructuralEng
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I currently have floor joists that are supported by a steel
I currently have floor joists that are supported by a steel I beam that is 3.5" wide by 6" deep. Sandwiched between the steel beam and the joists is a 2X4 that sits on top of the steel beam and runs i… read more
walkereng
walkereng
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I have a gable garage front to back in my new house that's
I have a gable garage front to back in my new house that's 21 feet wide and 24 feet deep. It has 2 x 8 ceiling joists @ 16 inches on center going left to right, the complete 24 depth. I'd like to put … read more
StructuralEng
StructuralEng
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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
StructuralEng
StructuralEng
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I have a 16 foot garage door header that is a triple 2x12 sandwich. The house was built i
I have a 16 foot garage door header that is a triple 2x12 sandwich. The house was built in '54 and there is about 5/8" deflection in the center. I'm not worried about it failing, just want to shore it… read more
StructuralEng
StructuralEng
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, I have a 26 foot rafter span and I can only purchase 20 foot timbers. Can I join two l
Hi, I have a 26 foot rafter span and I can only purchase 20 foot timbers. Can I join two lengths of timber together to make a 26 foot rafter? and if so how do I do this? In regards ***** ***** if the … read more
StructuralEng
StructuralEng
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My wooden post frame garage 26' X 24' with corrogated metal
My wooden post frame garage 26' X 24' with corrogated metal skin was built in one corner of the property. It was not built square with the property lines but instead was built a few degrees clockwise.… read more
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StructuralEng
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I have an attic above my attached garage that I want to finish
I have an attic above my attached garage that I want to finish to make a family room. Access to this space is from a large stairway landing in between floors. It is used for storage now but the floor … read more
StructuralEng
StructuralEng
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I need to know what size steel beam and posts are needed to
I need to know what size steel beam and posts are needed to span 14 1/2 feet. This will be in the basement of a 2 story house roughly 40 x 42 in dimension with a center bearing wall, attic joist resti… read more
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StructuralEng
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