1” AquaPEX Through Ceiling Joists

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Old 02-18-2018, 12:40 PM   #1
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1” AquaPEX Through Ceiling Joists

Hey Gang,

I’m running a 1” cold water Pex line through a basement ceiling to replace a buried, sediment clogged galvanized supply. The basement is going to be a livable space (not drop ceiling).

What size hole should I bore in the joists? Should I worry about expansion noise and plan a larger hole accordingly?

Thanks much,
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Old 02-18-2018, 03:24 PM   #2
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Re: 1” AquaPEX Through Ceiling Joists

I would use the 1" tubing insulators which use a 1 3/8 hole if it was me.


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Old 02-20-2018, 04:24 AM   #3
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Re: 1” AquaPEX Through Ceiling Joists

That is an interesting question. I don't have an answer.

Aren't you glad I replied to this.

My point: I have been to more than one house, where they complain about the copper noise. The copper pipes expand and contract as the hot water goes through them.

Personally, I like Pex. I would say, drill the hole a little larger and go with it. It may make noise, but only time will tell.
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