2 X 10 Floor Joists (cutting Holes For Pipe)? - Building & Construction - DIY Chatroom Home Improvement Forum

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Old 08-04-2011, 07:10 PM   #1
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2 x 10 floor joists (cutting holes for pipe)?

can holes be drilled anywhere in the span for piping? Or is there a limit to how far I can go either up or down?


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Old 08-04-2011, 07:53 PM   #2
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I added to the title for you---some one will be along to help.


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Old 08-04-2011, 08:04 PM   #3
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This web site has a good summary of standard practice:


Generally, you want to stay out of the middle third of the span (measured horizontally) because that has the greatest bending stress. You also want to be in the middle third of the joist (measured vertically) because that has the lowest bending stress. There are other standards for notches, this web site is pretty good. For a DEFINITIVE answer, check your local building code, or discuss with your local building inspector.
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Old 08-04-2011, 08:49 PM   #4
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You can drill at almost any location on a joist, the problem starts with what size hole you are drilling
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