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My 25' wide 1.5 story house was built in 1908 in the San
My 25' wide 1.5 story house was built in 1908 in the San Francisco Bay Area about 1 mile from an earthquake fault. The ceiling joists are raw cut 2x4 on 24" centers, and while undersized by today's st… read more
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I am needing new shingles. Let me give you some background.
I am needing new shingles. Let me give you some background. Had an issue that has been corrected with about 15 rafters that were barely hanging on to the ridge board by the end of the 3 inch nails. Ro… read more
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I am going to raise an 8 foot ceiling to 9 feet. In every
I am going to raise an 8 foot ceiling to 9 feet. In every room of a single story house. I'm replacing the roof structure with trusses. I will shearwall the outside walls with plywood. As I see there a… read more
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A contractor cut a single truss while cutting a whole for a
A contractor cut a single truss while cutting a whole for a solar attic fan. What do I need to do to make sure it is repaired correctly? … read more
StructuralEng
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I am considering remodeling our kitchen. Upon inspection in
Hi, I am considering remodeling our kitchen. Upon inspection in the attic, I saw that this older house had been remodeled and added on to. Trusses were installed next to existing ceiling joists. To ma… read more
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I need to size a clear span metal i-beam for my patio. The
I need to size a clear span metal i-beam for my patio. The beam will be 43' long. The patio is 36' wide. I will use 2x12 roof joists every 12” with plywood and a metal seamed roof. … read more
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Adding a Room to an open attic space and decied to use 2x12
Adding a Room to an open attic space and decied to use 2x12 joist vs. the floor trusses they used. Need to make these the same height...to do that I need to raise the top plate 5" … read more
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I am designing a mono-truss for a lean-to. I need to know if
I am designing a mono-truss for a lean-to. I need to know if it is strong enough for a 20 lb/ft2 roof load. Its unique in that it is a 1/12 pitch, and I am putting a 1/2" plywood skin on both sides fo… read more
StructuralEng
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I had an engineering question how does this service work?
I had an engineering question how does this service work? … read more
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Would like to span aprox 40' with steel I beam.. post can be
would like to span aprox 40' with steel I beam..jack post can be used in intervals if needed to spread the load of Metal roof and wood roof trusses.. this is an exterior application that would require… read more
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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
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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
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I have mounted two Racor Pro Heavy Lifts along 4 joists on
Hi, I have mounted two Racor Pro Heavy Lifts along 4 joists on my garage ceiling. Mounting was performed with #12 lag screws - 6 per joist. About a year later I opened up a piece of ceiling and realiz… read more
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I am removing a load bearing wall to create an open concept
I am removing a load bearing wall to create an open concept between my kitchen & den. This is a 3 story home, & the alteration will be on the second floor. The span is 20'. The beam in the basement/ga… read more
StructuralEng
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We are trying to install a ceiling mounted storage rack in
We are trying to install a ceiling mounted storage rack in our garage in South Florida (home built 1987, ). The stud finder has located the studs, but they are all 2 3/4" indicating a 3" joist. Is tha… read more
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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
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I want to suspend a 1,000 pound capacity chain hoist from the
I want to suspend a 1,000 pound capacity chain hoist from the rafters in my garage. I plan to run a 8 foot beam across 5 rafters that are space at 24" centers to distribute the load (could go across m… read more
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Have an 18 wall partially supporting drywall ceiling on each
Have an 18' wall partially supporting drywall ceiling on each side--about 8ft to another point of attachment on each side. what size beam, and con I attach a 2x12 to the ceiling metal trusses (perpend… 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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