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I need to replace some rafter ties in my garage but I don't
Hi,I need to replace some rafter ties in my garage but I don't think the rafter ties that are currently installed are the correct size. The span is 17.5' and the rafter ties are spaced 24"oc. I'm not … read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
I am planning to vault a ceiling of a ranch house in
I am planning to vault a ceiling of a ranch house in Portland Oregon with light roofing. the pitch looks to be ~4/12. The span of the new Beam will be ~11 feet. The distance from the beam to each exte… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
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I want to convert my hip roof garage attic to a room. How
I want to convert my hip roof garage attic to a room. How can I reframe to make space? It it 23x30 and has 2x6 rafters, 2x8 joists joining on a giant engineered beam with 14' and 16' spans respectivel… read more
Shannon Galway
Shannon Galway
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Bachelor's Degree
208 satisfied customers
I am removing a LB wall, the house was built in 1965 with
Good morning I am removing a LB wall, the house was built in 1965 with trusses, cement piers and wood beams. The span is 20', between kitchen and living room. My LVL beam will be 2x12-20, liquid nail … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have a dicey situation--we have house under contract where
Ok I have a dicey situation--we have house under contract where we just had someone look at the attic space where the 3rd bedroom is. We want to expand and improve that space to accommodate a bathroom… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,275 satisfied customers
My garage currently is a one story garage attached to a two
My garage currently is a one story garage attached to a two story house. I am going to convert my attic above my garage to living space. The trusses that are currently intalled does not allow that. Wh… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I need to size a beam to replace a bearing wall. the opening
I need to size a beam to replace a bearing wall. the opening will be 9'6". The beam will carry joists coming in from both sides, 16"o.c., uniform load. Span on both sides is about 14 ft. There are par… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
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
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have a garage 20 x 20. what size of beams can i use - i am
i have a garage 20 x 20. what size of beams can i use - i am in california and the roof will be flat with appropriate pitch - no snow… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
Im not sure this category is right for my question. Please
I'm not sure this category is right for my question. Please let me know if this is not the sort of answer you deal with. I own a ranch-style brick house in the Northeast with the typical gable roof. T… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I just bought a house and the ceiling was sagging in the living
I just bought a house and the ceiling was sagging in the living room. Old lathe and plaster over 2x4 joists, 16 oc, spanning 17' 1.5"! I'm not sure what they were thinking! We pulled the ceiling down … read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,275 satisfied customers
I am tearing out a load bearing wall to make a large room.
I am tearing out a load bearing wall to make a large room. It is a two story home with a crawl space. The wall is coming out on the first floor. It is a 24 ft span.. Floor joists are 16 inch OC. and a… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Im pricing a remodel on my garage. What size beam would I
I'm pricing a remodel on my garage. What size beam would I need to span the 20-foot garage opening? The beam will also support a half-height (4-foot) wall above it (a half-attic) and a roof. It would … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have an old house that I want to remove a wall and install
I have an old house that I want to remove a wall and install a header to open the area up and take the load. Opening span: 11' 8" Header : height 7 1/2" I have a picture of the senerio that you are go… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,275 satisfied customers
I built a lake house that is 28 wide and 34 long. I constructed
I built a lake house that is 28' wide and 34' long. I constructed a 34 foot long center beam for the roof by using 2X12's, elmers wood glue, steel bolts with washers and nuts. I glued 9 2x12's togethe… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
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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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