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Old 11-09-2012, 04:12 PM   #1
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Drilling holes in a glulam beam?


I want to drill four small (7/32") pilot holes in a glulam beam to mount an exercise pull-up bar with 2" lag bolts. Is this OK? I'm guessing that I'm fine, but I know that there are very specific rules when messing with glulams carrying heavy loads.

The beam spans my three-car garage on a two story house. I haven't measured the beam, but it's probably about 7" x 15", there's a support post at 2/3rds the span.

Please let me know if this is okay or not? Thank you.

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Old 11-09-2012, 04:20 PM   #2
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Drilling holes in a glulam beam?


Should not be an issue.
http://www.rosboro.com/index.php?act...chnical.glulam

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Old 11-09-2012, 07:46 PM   #3
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Drilling holes in a glulam beam?


im with joe. if you just want to drill into it to allow for mounting to it.. s houldnt be an issue.. now if your drilling large holes it would be a different story
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Old 11-10-2012, 08:32 AM   #4
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Drilling holes in a glulam beam?


may nor even need to pre drill with these screws...

http://www.grkfasteners.com/index.php/en/

Last edited by hand drive; 11-10-2012 at 08:35 AM.
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Old 11-10-2012, 08:39 AM   #5
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Drilling holes in a glulam beam?


Example of Hole Drilling Guideline: http://www.rosboro.com/index.php?act...chnical.glulam
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