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Related Structural Engineering Questions
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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I am going to build a home this spring and I am looking for
Hello, I am going to build a home this spring and I am looking for what size I-beam required to clear span 34' for a structural roof ridge. The run is 23' the pitch is 12/12 using 14" I-joist rafters … read more
StructuralEng
StructuralEng
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Let's try this again. I am remodeling a 1970 Ranch home and
Let's try this again. I am remodeling a 1970 Ranch home and would like to raise the ceiling in the living area. 32 x 30. It has a truss ceiling and the truss runs the 32 foot length. Can I modify the … read more
StructuralEng
StructuralEng
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I'm building a garage at my home and have a question on the
Good morning.I'm building a garage at my home and have a question on the need for rafter/ collar ties and if I should install 2x4 struts from the rafter to the joist. The joist assembly is a full box … 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 an addition we're building to my home it's 27' wide
Hello I have an addition we're building to my home it's 27' wide 16 feet long..2x10 roof rafters that are 15feet 6 inches long 16 on center with 2x12 ridge beam 5/12 pitch I live in Vermont we're we g… read more
StructuralEng
StructuralEng
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Would a beam made of 3- 2x12s be enough to support a 14 foot
Would a beam made of 3- 2x12s be enough to support a 14 foot span? It is a single story home 32 feet wide with a 5-12 pitch roof? If not, what would you recommend?… read more
StructuralEng
StructuralEng
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I have a 21 lb 8 x 5.25in I beam that supports 2x12 floor
I have a 21 lb 8 x 5.25in I beam that supports 2x12 floor joist that span 18 ft from the beam to the outside wall (total span is 36 ft across the basement. They support a 1.25 story home above it (a s… read more
walkereng
walkereng
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We want to open up our floor plan. The length of the house
We want to open up our floor plan. The length of the house us 32 feet. What Size lumber do we need to build a beam to support the ceiling, held up in four spots by 4x6's?… read more
StructuralEng
StructuralEng
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I have a 20'span (flat roof) presently built with Hem fir
i have a 20'span (flat roof) presently built with Hem fir 2"x10" at 16" centers, building width 30' which has failed this winter. (Upstate NY). If I doubled ever other joist would that meet load requi… read more
StructuralEng
StructuralEng
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I have a 14x65 older mobile home that has 2x4 walls and 2x6
I have a 14x65 older mobile home that has 2x4 walls and 2x6 floor and was wanting to go over the existing roof with a 2x6 truss system. since the existing roof uses 2x2 bows, can I attach a plate to t… read more
walkereng
walkereng
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I have a 24 ' wide building; 8/12 pitch; I am in snow country;
I have a 24 ' wide building; 8/12 pitch; I am in snow country; design snow loads are 100#/sq. ft.. I would like to install a glu- lam ridge beam and one glu-lam purlin /side. End bearing points are 20… read more
StructuralEng
StructuralEng
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I just finished building a low level deck and now want to build
I just finished building a low level deck and now want to build a gabled roof over the left half of it (17X16). The roof will extend out 90 degrees to the house as in the attached pic. The small shed … read more
walkereng
walkereng
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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
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Need ridge BEAM- not a board. Free-standing roof. 17-9 wide
Need ridge BEAM- not a board. Free-standing roof. 17'-9' wide spanning 17' long. 5/12" pitch. Metal roof over 2x4" strapping. 20# XXXXX load & 10# XXXXX load in our area. Can use 2"x6" #2 spruce rafte… read more
StructuralEng
StructuralEng
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Need to know what size of beams will support a snow load for
Need to know what size of beams will support a snow load for a cabin roof. We want to span 16 feet over a front room ceiling, the room size is 15 feet wide and 27 feet long and has a flat ceiling now … read more
walkereng
walkereng
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Bachelor's Degree
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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
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Bachelor's Degree
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I am considering engineered I beams as rafters for an apartment
I am considering engineered I beams as rafters for an apartment garage project. The horizontal distance is 14 ft, the pitch is 12X12, the overall rafter length from ridge to knee wall is just under 20… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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