Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope - Roofing - Contractor Talk

Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope

 
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Old 08-31-2020, 12:10 PM   #1
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Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope


HI All,
I could really use some help in framing out the TJI's for a hidden gutter.

I'm sure a lot of you will write, don't do it. It has to be done on this one section of roof. (about 13')

That being said: I have TJI's at the 18" OH. Do I just block out a gutter box, wrape the roof membrane into that and add a gutter as well?

Any detail image is welcome.

Thank you very much, in advance.

Cheers, Zowie.
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Old 08-31-2020, 01:30 PM   #2
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Re: Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope


are you talking about cutting the top flange on the i joist to make the box?

don't believe you can do that....

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Old 08-31-2020, 03:10 PM   #3
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Re: Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope


Run whatever you want to do with the trusses by the truss manufacturer or by an engineer..........
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Old 08-31-2020, 03:53 PM   #4
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Re: Hidden Gutter Detail 18" OH, Tji Joists, Flat Roof 1/4" Slope


Yes, had done that, 18" OH is fine to compromise end of I joist, but must be blocked.
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