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water copper pipe through holes in ceiling joists?

water copper pipe through holes in ceiling joists?

Old 05-01-03, 05:30 PM
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water copper pipe through holes in ceiling joists?

I wonder if I can run copper pipes through holes drilled perpendicular through ceiling joists in a basement. If I remember correctly, holes drilled through ceiling joists for cables must be at least 2 inches from the joists' bottom surfaces. I dont know if the same applies to copper pipes. Thanks in advance.
Old 05-01-03, 07:20 PM
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A hole is a hole - wire, pipe, it doesn't make a difference.

Good Luck!
Old 05-01-03, 08:17 PM
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If possible, drill it dead center (top to bottom), and not in the middle third of the span. That way the hole will have the least impact on the strength of the joist.
Old 05-05-03, 11:39 AM
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Also, there is a limit on the size of hole that you can drill, depending on the size of the joist. See:


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