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New question: I'm planning on doing gable roofs, one with
Hi again. New question: I'm planning on doing gable roofs, one with ceiling joists and the main room as vaulted. For both, is the span I need for calculating the rafter size the whole width of the roo… read more
walkereng
walkereng
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I have a shed dormer framed up with its rafters (2x6) at
I have a shed dormer framed up with its rafters (2x6) at ~2.7/12 pitch. The rafters are nailed into a ridge board (2x8). Do I need a ridge beam if I use rafter ties?… read more
StructuralEng
StructuralEng
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The living room roof joists are 2x8 at 24" OC. The room is
The living room roof joists are 2x8 at 24" OC. The room is 20' long 16' wide. The rafters starting at the exterior wall are only10' long. They are supported on joist hangers by 3 2x8s nailed together.… read more
StructuralEng
StructuralEng
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I need to figure out the size of beam needed for a 25' span
I need to figure out the size of beam needed for a 25' span with a corner post and the other sitting 2 x 4 wall. there will be no posts in between and no ceiling joists. It's a porch with a storage sh… read more
StructuralEng
StructuralEng
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I would like to replace a 4 x 10 header in a single story
Hi, I would like to replace a 4 x 10 wood header in a single story house with a steel beam to gain door height. The door is 9' wide. … read more
StructuralEng
StructuralEng
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TryIng to determine what size beam I need to support gable
TryIng to determine what size beam I need to support gable roof. … read more
StructuralEng
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I want to remove a wall and replace with a beam, preferably.
I want to remove a wall and replace with a beam, preferably wood. Span is just under 21'. Originally, was an exterior wall with gable. Ceiling joists run perpendicular to this wall, but common rafters… read more
StructuralEng
StructuralEng
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I have a question for a structural engineer: I want to add a
I have a question for a structural engineer: I want to add a 14'-4-1/2" x 36' enclosed, heated lean-to room to the 76' long side of my garage. What size rafters & plate will I need for 16" or 24" spac… read more
StructuralEng
StructuralEng
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I have a 10 foot interior supporting wall. Single story
I have a 10 foot long interior supporting wall. Single story house. The ceiling joist span from the front, outside wall to this interior supporting wall. The room is essentially 10 foot by 10 foot....… read more
StructuralEng
StructuralEng
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I am installing a 12' patio door (replacing a 6' patio door
I am installing a 12' patio door (replacing a 6' patio door and adjacent window) and need to know what size header to use. The wall where the door is going is at the gable end of the room. … read more
StructuralEng
StructuralEng
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I need advice on LVL and dimensional lumber sizing various
Hi, I need advice on LVL and dimensional lumber sizing for spanning various distances under 3 different circumstances. I'm in Louisville, KY.… read more
StructuralEng
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
StructuralEng
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I have an existing roof that I'm trying to add a shed dormer
Customer: I have an existing roof that I'm trying to add a shed dormer to. (This is for an eventual bonus room finishing project). The existing roof is 6" rafter construction. There is what appears to… read more
StructuralEng
StructuralEng
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I am a home owner, diy type who wants to install a 12'
Hello, I am a home owner, diy type who wants to install a 12' sliding glass door in an existing wall. Presently, the single level home has the roof trusses loading this wall and also a outside covered… read more
walkereng
walkereng
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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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In my 1904 House, in my basement, I want to remove a structurally
In my 1904 House, in my basement, I want to remove a structurally supportive brick (not cinder block) wall and replace it with a beam or header which would clear span 15 feet and 1-1/2 inches without … read more
StructuralEng
StructuralEng
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I am renovating a one hundred year old house. The basic original
I am renovating a one hundred year old house. The basic original structure is in excellent shape. A rear, added on structure, needs some shoring up. I need to install a beam 13' 9 1/2" . This beam wil… read more
StructuralEng
StructuralEng
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I trying to frame in a basement window into an already built
I trying to frame in a basement window into an already built home (built 1967 split level). What size header do I need. There is only one story above the basement. I live in Oregon. The width of the v… read more
walkereng
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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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