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I have 17' real 2" x 6" rafters spaced 24" on center in a
I have 17' real 2" x 6" rafters spaced 24" on center in a 1948 house. They appear to be pine (very hard from age I assume). The span is 30'. Can I sister a #2 SPF 2x6 to each existing rafters to meet … read more
walkereng
walkereng
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Bachelor's Degree
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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
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
Need structural engineering assistance. Need assistance
Need assistance determining ridge beam type and size and rafters. Looking to rebuild a patio that was a hipped roof converting to a gable roof. 3.5/12 pitch. Beam will be tied into house. 27' wide by 16' 1" to sheathing. Will be tied into house (2x4). … read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
Can you size a ridge beam for me? 16'x12' she'd. Need the
16'x12' she'd. Need the required number of 2x12 on a 16' span with a 12' width. … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I would like to build a garage36' wide by 28'deep.light
I would like to build a garage36' wide by 28'deep.light storage on the ceiling or floor joists 6 x6 posts 12' oc for the center carring beam which would be made up of 3 2x 10s glued and nailed w plywood. … read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Residential construction double 2x10 ceiling beam span is
residential construction double 2x10 ceiling beam span is 184" - full length of 2x10 is 192" - 2x6 ceiling joists hang off this with joist hangers, no floor above just attic - is the 2-2x10 sized appr… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
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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Bachelor's Degree
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I am expanding my garage with a 2nd floor bonus room above.
I am expanding my garage with a 2nd floor bonus room above. I can attach my plans, but I need to confirm that my spans are good and the beams/rafters are properly sized. The garage is 18' x 22' and th… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Span 36 wide house with 8 pitch and 130 # snow load, New
Span 36 wide house with 8 pitch and 130 # snow load … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
39;m trying to design a gable roof over a deck that is
39;m trying to design a gable roof over a deck that is 15' x 15'. I'm planing on using #6 6x6 posts on the sides. Can you see if the top plate beam for the bottom of rafters will be ok? I was planning… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
How big a LVL beam do I need to span 20 feet on a porch that
How big a LVL beam do I need to span 20 feet on a porch that is 16 feet wide. The beam will support 2x8 rafters.… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
9,772 satisfied customers
Cabin is 24x24 Want to vault front 1/2 of it Has existing
Cabin is 24x24 Want to vault front 1/2 of it Has existing Howe trusses with4/12 pitch Going to run a 6x6 post at 12' and at front which will go through floor and sit on lvl beam with a 9"x9" concrete … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I would like to build two 6 ft. wide dormers on an existing
I would like to build two 6 ft. wide dormers on an existing 28' wide cape cod style house. The existing roof structure is 2x6 rafters at 16" o.c. with a 2x10 ridge board and 2x6 ceiling joists/collar … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am going to build a 30 x 24 wide screen room walls and
I am going to build a 30' x 24' wide screen room walls and roof and would like to install cedar beam across 24' span in center of room to support 2x 12 cedar ridge off of. What size cedar beam would I… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Hi again, based on the beam sizes you provided me, can I get
Hi again, based on the beam sizes you provided me, can I get away with no interier ceiling joists ? Maybe I can add a simple 2"x4" x 3' collar to each rafter and be OK ? Thanks,… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
My question relates to an existing garage roof where the rafters
My question relates to an existing garage roof where the rafters were somewhat undersized for the loads. I am seeking advice on adding a strut to each rafter, transfer forces expected and resolution o… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I need to figure a beam size for a conventional frame house
I need to figure a beam size for a conventional frame house with 2x6 rafters and ceiling joist with a 24' span. I will be removing the center support wall and will have a span of 29' that i need the b… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
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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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