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Old 06-25-2017, 01:18 PM   #1
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Trimming end of glulam beam?


So I have a beam that spans an opening on an addition. I'd like to trim the top corner of one side, at an angle, to accommodate the roof line that will come down to the wall. Not sure if there are specs for trimming beams, like there are for notching joists.

I've attached a drawing of the situation.
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Last edited by kwikfishron; 06-25-2017 at 06:14 PM. Reason: Rotate picture
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Old 06-25-2017, 06:06 PM   #2
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Re: Trimming end of glulam beam?


Around here, the use of a Glulam is according to Engineered drawings, so the Engineer of Record would be the best guy/gal to answer your question.
Approximately how deep of a triangle would you be removing?
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Old 06-25-2017, 06:22 PM   #3
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Re: Trimming end of glulam beam?


Doesn't look like much of a bearing point on the wall. Has that been approved?
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Old 06-26-2017, 04:00 AM   #4
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Re: Trimming end of glulam beam?


There are rules to how much you can cut but most engineers look pissed when you ask them because they didn't think about it when the designed the project. Take off as little as possible to allow for sheeting is the usual answer.
If you have to come down a third the height you may want to think about lowering the beam.
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Old 06-26-2017, 07:27 AM   #5
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Re: Trimming end of glulam beam?


Found this.
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Old 06-26-2017, 06:08 PM   #6
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Re: Trimming end of glulam beam?


Quote:
Originally Posted by 123pugsy View Post
Found this.
The effective size of the beam has changed, for that much I would consult an engineer.
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Old 06-26-2017, 06:55 PM   #7
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Re: Trimming end of glulam beam?


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Originally Posted by Nealtw View Post
The effective size of the beam has changed, for that much I would consult an engineer.
Thanks.

Yes, any post here is just a guideline. OP should consult an engineer or the glue lam supplier.
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Old 06-26-2017, 08:17 PM   #8
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Re: Trimming end of glulam beam?


Quote:
Originally Posted by joed View Post
Doesn't look like much of a bearing point on the wall. Has that been approved?

thats just a quick hand sketch,,, no dimensions are shown. .they may have more bearing than shown
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