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What size LVL beam would be required to span a 30-foot clear
What size LVL beam would be required to span a 30-foot clear span to support a 2:12 pitch roof in NE Oklahoma for normal dead load of roof, normal live load and snow load for this area and what should… read more
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Believe Structural Engineer wend crazy with the cheese
Believe Structural Engineer wend crazy with the cheese puffs. … 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
walkereng
walkereng
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I am in the process of building a new house and I want
I am in the process of building a new house and I want trying to decide if I should use trusses or stick build the roof. I have been up on truss roofs and they just don't feel as strong as a stick bui… read more
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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
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Looking at doing a 2x8 beam on south wall of house for
Looking at doing a 2x8 beam on south wall of house for garage door opening. Planning on using flitch plate with triple 2x8's and steel sitting on top of the sill plate if I use 1/2" steel, what hole s… read more
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I have a girder beam. Span is 20ft. It is 4 stacked 2 x 10s
I have a girder beam. Span is 20ft. It is 4 stacked 2 x 10s on four columns. The center 2 lolly columns are 7'6" in from end columns 6" centerline in from end of beam. Thus about 4'6" centerline to ce… read more
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Can I replace the middle part of a wooden beam (tripled up
Can I replace the middle part of a wooden beam (tripled up 1.5"x 7") with a steel w8x 24 beam so I can remove the vertical support? The length I want to replace is 15'7.75" and it is the middle of a 3… read more
StructuralEng
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Do I need stamp , Lumber Floor or Roof Sheathing I
Do I need stamp , Lumber Floor or Roof Sheathing I mill my own lumber and I like to use it , floor, roof sheathing. According to the IRC 2012, I can do - DWB (Diagonal Wood Boards) that are 3/4" of 24… read more
StructuralEng
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I want to clear span a 30 foot length. what size steel I beam
I want to clear span a 30 foot length. what size steel I beam and what size engineered wood I beam would be needed to support one side of a 4/12 shingled roof.… read more
StructuralEng
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This is a structural engineer question. We had a metal roof
This is a structural engineer question. We had a metal roof taken off our house. The contractor put the plywood sheathing onto the 1 by 4 purlins that were left. The nails are quite long and go quite … read more
walkereng
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Looking to size a beam for a 23ft clear span. the load on the
Looking to size a beam for a 23ft clear span. the load on the beam will be minimal as it will be for a gable end of a roof over a deck .… read more
StructuralEng
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My exterminator is walking around in my attic (poorly constructed
My exterminator is walking around in my attic (poorly constructed 1980s townhouse) on what he says is twisty aluminum. Are these likely to be ceiling joists? He has suggested putting down some pieces … read more
walkereng
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i have a 20 foot roof joists on a flat roof they are 4.5
i have a 20 foot roof joists on a flat roof they are 4.5 " x 11 1/4" (wx h0 and 5 foot on center they span connecting on each end to metal I beams what is the maxcimum O.C spacing i can use for double… read more
StructuralEng
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I need to design a new "wall of glass windows" for a home
I need to design a new "wall of glass windows" for a home modification. The home is a single story wood frame/stucco residence on a slab foundation--the "glass window wall" is an external load bearing… read more
StructuralEng
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I have a span of 27-6" carrying the ridge of a roof. Roof
I have a span of 27'-6" carrying the ridge of a roof. Roof construction is 11" TJI joists with 3/4" sheathing and metal sheeting. Ceiling is 3/4" sheathing with 1/2" sheetrock. Can you advise optimum … read more
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actually cut 3inhes out into the top cord of floor truss....had
actually cut 3inhes out into the top cord of floor truss....had a repair detail to sandwich 2 2x4 by six foot members on either side of the cut.and put back a wood block where cut...problem another tr… read more
StructuralEng
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Water leaked in from the range hood vent (over several years,
Water leaked in from the range hood vent (over several years, I presume), leaked down 2x4 (approx 5 feet) to floor. Plywood flooring and horizontal 2x4 are completely rotten. 4x6 frame beam below is r… read more
StructuralEng
StructuralEng
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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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