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I am replacing a standard patio door and window, which are
I am replacing a standard patio door and window, which are next to each other, with a 12 foot long 4 panel patio door. Currently, both the door and the window each have doubled up 2x12s at 6 feet long… read more
Garret F., P.E.
Garret F., P.E.
Civil Engineer 3
B.S. Civil Engineering
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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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Bachelor's Degree
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I'm looking for a beam size. Going to lift off a garage roof
Hi, I'm looking for a beam size. Going to lift off a garage roof weighing roughly 3,500 lbs. Going to place it under the ridge beam (shoring up the truss framing) and lift it from a crane from 3 or 4 … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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Saltbox garage built in 1950's, 12 x 22 attached to house.
Hi, Saltbox garage built in 1950's, 12 x 22 attached to house. Gable is on sides as you face the garage door (ie door is on an end that supports rafters).No second floor.I want to reframe the garage d… read more
StructuralEng
StructuralEng
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I'm building a garage at my home and have a question on the
Good morning.I'm building a garage at my home and have a question on the need for rafter/ collar ties and if I should install 2x4 struts from the rafter to the joist. The joist assembly is a full box … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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We are about to install an8ft wide window in our front wall.
We are about to install an8ft wide window in our front wall. I want to know the dimensions of the header we need to put in. The window installer says 1" per foot. So it would be a 4' x 8 ft header. Ca… read more
StructuralEng
StructuralEng
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Designing a shed 12'x12' with a ridge beam of triple 2x10's
designing a shed 12'x12' with a ridge beam of triple 2x10's the support would likely come down on a header with clear span of 6'. doing a few calculations with 30 psf live and 10 dead for raleigh, NC,… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I would like to replace my two garage doors into a single
Hi. I would like to replace my two garage doors into a single double door. Single-story garage, 24ft wide x 20ft deep. 8ft walls. 15psf dead load, 25psf snow load. Garage door opening - 17ft. Thinking… read more
StructuralEng
StructuralEng
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Former owner added a 9' x 7' garage door to eave side of
Former owner added a 9' x 7' garage door to eave side of detached 20' x 20' garage without proper header framing. The garage walls are only 8' high, so I don't have room for 10" or 12" LVL beam. I wil… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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You designed this glulam for the ridge beam for my proposed
You designed this glulam for the ridge beam for my proposed addition; A 8.75" X 24" glulam 24F-V4 will work for strength and limit deflection to about 1/2" I have a couple of follow-up questions: 1) I… read more
StructuralEng
StructuralEng
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I'm designed a garage with a: flush ridge beam; 3/12 pitch
Hello, I'm designed a garage with a: flush ridge beam; 3/12 pitch inside span of 19' length of 23' with no columns in center garage will be attached to existing garage king post sit on center of garag… read more
StructuralEng
StructuralEng
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I have a house built in 1932 tradition ranch with a
Hello, I have a house built in 1932 tradition ranch with a gable roof, I was wondering if it would be possible to lower the ceiling joists to below the top plate to allow more headroom in the attic to… read more
StructuralEng
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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Bachelor's Degree
9,772 satisfied customers
I just finished building a low level deck and now want to build
I just finished building a low level deck and now want to build a gabled roof over the left half of it (17X16). The roof will extend out 90 degrees to the house as in the attached pic. The small shed … read more
walkereng
walkereng
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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
StructuralEng
StructuralEng
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Bachelor's Degree
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I have an existing garage that I want to build a mezzanine
I have an existing garage that I want to build a mezzanine for storage. I want to span the width of the garage, 19'6" with no middle support posts. I still have access to the framing, so that the ends… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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My 22 x 22 garage ceiling is sagging about 3" in the center.
My 22' x 22' garage ceiling is sagging about 3" in the center. It has 2"x6" joists across at 24" on center, with 2 strong back supports perpendicular to the joists and an additional strong back suppor… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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Im installing a sliding door with 910" R.O. on an exterior
I'm installing a sliding door with 9'10" R.O. on an exterior load bearing wall in a Cape Cod style home. The floor and ceiling joists run parallel to the exterior wall in question. What type of tempor… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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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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