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I am cutting a hole in my outside wall to put in a 72 x 42
I am cutting a hole in my outside wall to put in a 72 x 42 inch bow window. I want to know if a 4 x 6 doug fir beam can support 3 roof rafters at 24" centers. … read more
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I have a 4x12x12, face mounted fir beam supported by 2 short
I have a 4x12x12, face mounted doug fir beam supported by 2 short bearing walls, one 2.5 feet length and the other side 1" in length. There are concrete foundations with 4x4 posts under both short wal… read more
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Second opinion] I have a 4.25 inch square wooden beam that
Second opinion] I have a 4.25 inch square wooden beam that is supported by a partial wall for half it's length. I intend to replace the beam but I am looking for ideas on how to strengthen the existin… read more
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Removing Load bearing wall between two rooms. Distance
Removing Load bearing wall between two rooms. Distance between walls approximately 11 feet. 2 x 8 floor joist for second-floor supported one wall now. What size beam do I need to support the span. … read more
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I HAVE TWO STRUCTURAL QUESTIONS the project is a 26x50 home
I HAVE TWO STRUCTURAL QUESTIONS the project is a 26x50 home with a stem wall foundation and a crawl space. There is a 21 foot length of the exterior wall (supporting aprox 7 trusses) I would like to i… read more
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Taking down a load bearing wall...need to know the size of
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StructuralEng
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I want to move a load bearing wall on the first floor of my
I want to move a load bearing wall on the first floor of my two story house. The wall is 2x4 stud on slab. The current load is carried by 9 - 2x10, 16" OC and spans 15'3" on one side and 12'4" on the … read more
StructuralEng
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I'm needing to make a 20' open span. The beam needs to be 9
I'm needing to make a 20' open span. The beam needs to be 9 1/4" tall. It is supporting a second story floor and wall with the rafters also landing on the wall. The second story floor is 14' across (b… read more
StructuralEng
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My 2-storey house has a stairwell opening that is 3ft x 7ft
My 2-storey house has a stairwell opening that is 3ft x 7ft 8in. One long side is on a 2x6 bearing wall on a spread footing. The short sides are double 2x10 continuous floor joists. The other long sid… read more
StructuralEng
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I want to open up the wall between my kitchen and living room.
I want to open up the wall between my kitchen and living room. The wall is load bearing. The joists are 2x4 16 inch oc and the attic is non storage non occupied. The attic does hold the HVAC ducts, el… read more
StructuralEng
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Looking to split the load of a single lally across two
Looking to split the load of a single lally across two columns and support the beam with steel U channel. the lally is at the butt joint of a 20' and 16' span of a 6x8 main beam … read more
StructuralEng
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the new second floor spans 13-6 between the interior bearing
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I was looking to get some confirmation on LVL beam size as
I was looking to get some confirmation on LVL beam size as well as connection details. I live in a two story house with basement. I am redesigning my kitchen and would like to remove a load bearing wa… read more
StructuralEng
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what dimension steel I beam is required to clear span 22,
what dimension steel I beam is required to clear span 22', with a 10 psf dead load and 40 psf live load (floor load only, roof already exists) ? what dimension required if same span were to be split i… read more
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We are working on a two story house that has been gutted. There
We are working on a two story house that has been gutted. There is a wall that runs 30ft. from the front of the house to the back. We want to remove 12ft. of that wall (Downstairs) and install a beam.… read more
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Im putting a 24 x 24 single story addition in an existing
I'm putting a 24' x 24' single story addition in an existing split level ranch near Boston, MA, the roof pitch is 4:12. There are load bearing points that run down the center of the addition so there … read more
walkereng
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I have a load bearing wall on my first floor between my family
I have a load bearing wall on my first floor between my family room and my living room which is 17 ft. lg. I would like to have two openings of 55" ea openings with two supporting columns between the … read more
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Replace 2X4 load bearing basement wall.Open span of 22.5 feet.
Replace 2X4 load bearing basement wall.Open span of 22.5 feet. house width is 26 feet. Beam will support upper floor and roof. Standard shingle roof. 84 lumber says four 1.75 X 14 inch versa-lam panel… read more
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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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