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Trying to get an opinion on opening up a space in a
trying to get an opinion on opening up a space in a residential house. The current wall is supporting a 2nd story bedroom that cantilevers over the supporting wall by 21". The wall is currently 16' fr… read more
walkereng
walkereng
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Removing a 14 foot span of load bearing wall that is down
Removing a 14 foot span of load bearing wall that is down the center of my house. The bottom plate of the existing wall falls on top of the existing floor joist overlap and the foundation piers. The w… read more
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I'm trying to size a beam for a 20 ft span. What machine? I
I haven't tried anything so far. I am a marine engineer and ran the math myself and got that 3 2"x10" by 20 ft sandwhiched together would be enough but I wanted to check with someone as well … read more
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1. can 2x8 floor joists spaced 8 inches on center span 17
1. can 2x8 floor joists spaced 8 inches on center span 17 feet?2. if not can double 2x8 floor joists spaced 8 inches on center span 17 feet?… read more
walkereng
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My question is can I add additional weight in a first floor
My question is can I add additional weight in a first floor room ceiling by adding more drywall (for sound isolation) and how much can I add in total.Background:The downstairs room is comprised of con… read more
StructuralEng
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Shannon, I emailed you 2/28/19 regarding a 26' spanning
Shannon,I emailed you 2/28/19 regarding a 26' spanning metal I-beam asking if I could safely move the 4x4' column support from 13'/13' spans to 16'/10' spans.I have since moved the column support, ele… read more
StructuralEng
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I have a load bearing wall I'm making a 10ft opening in.
I have a load bearing wall I'm making a 10ft opening in. There is a second floor on top and 12ft on both sides of the support wall Do i need a lvl beam … read more
Shannon Galway
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What is the live load of 2 x 10 2 @ 16 oc with a span of 9
what is the live load of 2 x 10 2 @ 16 oc with a span of 9 ft … read more
Shannon Galway
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Bachelor's Degree
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We have a load bearing wall in the middle of the house
Hello We have a load bearing wall in the middle of the house basement has an I beam to support 1st floor trying to do an open layout on the 1st floor we also have bedrooms on the 2nd floor. … read more
StructuralEng
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I am building an addition above an existing 2 car garage.
I am building an addition above an existing 2 car garage. The garage is 30 FT wide and 25 ft deep. The garage roof will be torn off and wooden I beams run the 25 foot distance. I think I will need a b… read more
walkereng
walkereng
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I am looking at existing construction on 1960's to 1970's
Hi. I am looking at existing construction on 1960's to 1970's era house. A second story sleeping area, the sleeping area is 15' 10" by 14' 9", the floor is covered in 3/4 T&G plywood, and the joists a… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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An existing row house, middle unit. Clear span is 18'-1". Current
An existing row house, middle unit. Clear span is 18'-1". Current 2x10 @12"oc joist for the 2nd level. Does it meet the code (do not know species and grade of lumber)? If not, how can we reinforce the… read more
walkereng
walkereng
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, I have a 1929 home in Northern delaware. It has a main
Hi, I have a 1929 home in Northern delaware. It has a main beam of three 2x10's (actual dimensions, not nominal. back then, a 2x10 was a real 2" x10" beam). What's the max span allowed for this main b… read more
walkereng
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for a 13' span beam made of 2"x10" lumber that supports 2nd
for a 13' span beam made of 2"x10" lumber that supports 2nd level floor of 2"x10' floor joists spaced 16" apart with a roof above, how many pieces of 2"x10" x 13' lumber glued and bolted together is n… read more
walkereng
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I am adding an addition to a cape with 2x8 floor joists. I
I am adding an addition to a cape with 2x8 floor joists. I wish to match floor levels. so I need to use members ~7 1/2" deep across a 16'-6" span. What type Engineered Lumers Should I use? How Many? O… read more
walkereng
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Hi I have a split level house in Long Island. I want to take
Hi I have a split level house in Long Island. I want to take out an exterior load bearing wall to make my den area bigger. There is a 1 foot overhang on this wall from the upstairs bedrooms and there … read more
walkereng
walkereng
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Have a 20' x20' above ground room with 2 x 6 walls. Want to
Have a 20' x20' above ground room with 2 x 6 walls. Want to keep area below ceiling open and without lower supports.… read more
walkereng
walkereng
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Question on floor loading. Were extending the span of an opening
Question on floor loading. We're extending the span of an opening in a bearing wall from 6 feet to 11 feet. Planning on using LVLs. What Live and Dead load numbers should I use for Chicago? (snow load… read more
StructuralEng
StructuralEng
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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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