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dgibson 02-11-2012 11:00 AM

PEX and WD-40
talking to a plumber in line at the supply store and he said that spraying pex down with a coat of wd-40 will keep rodents and squirrels from chewing on it for years. has anyone done or heard of this? i assume the pex wont degrade from wd-40??

dahlman 02-16-2012 11:23 AM

Personally, I would not spray oil on PEX - that's my gut instinct. I heard allegations that WD-40 was sometimes sprayed on CPVC during installation to make it easier to push through the holes in the joists, and future problems occurred with the pipe. Again, this was an allegation and I never saw any documentation to substantiate this claim.

Your best bet would be to send an email to a PEX pipe manufacturer or check their website for FAQ's that may address this.

nealtw 02-16-2012 01:20 PM

Drill bigger holes.

joecaption 02-16-2012 08:12 PM

I would not take the chance.

Leo1981 02-17-2012 03:34 AM

i wouldnt put any type of oil on too PEX, just to be safe

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