Pex pipe exposed to sun

Posted by theedudenator on October 11, 2009, 12:52 am

Last fall I ran some pex pipe under ground out to the garage.
I never got around to hooking it up, 25 foot has been coiled up
outside of my garage.

I have read UV exposure is bad.

How can I tell if my pipe is still good to use?

Posted by Ed Pawlowski on October 11, 2009, 1:03 am

> Last fall I ran some pex pipe under ground out to the garage.
> I never got around to hooking it up, 25 foot has been coiled up
> outside of my garage.
> I have read UV exposure is bad.
> How can I tell if my pipe is still good to use?

If it breaks when you uncoil it, don't use it. Generally, it takes a few
years for any degradation.

Posted by Oren on October 11, 2009, 1:20 am

On Sat, 10 Oct 2009 21:52:13 -0700 (PDT), theedudenator

>Last fall I ran some pex pipe under ground out to the garage.
>I never got around to hooking it up, 25 foot has been coiled up
>outside of my garage.
>I have read UV exposure is bad.
>How can I tell if my pipe is still good to use?

UV is bad on PEX. I think I read sixty days above a foundation is the
max exposure, thus should be covered with plastic (some protection)
temporarily to prevent damage.

Underground is okay with the correct pipe. Anything above ground just
find out how brittle it is.

Your UV exposure may not be as extreme as it is in our Mojave desert.

Posted by theedudenator on October 11, 2009, 1:28 am

OK
It is acutally under a tree not in full sun.
So if I can bend it like normal, just go ahead and use it..

Thanks

> Underground is okay with the correct pipe. =A0Anything above ground just
> find out how brittle it is.
> Your UV exposure may not be as extreme as it is in our Mojave desert.

Posted by Oren on October 11, 2009, 1:37 am

On Sat, 10 Oct 2009 22:28:43 -0700 (PDT), theedudenator

>OK
>It is acutally under a tree not in full sun.
>So if I can bend it like normal, just go ahead and use it..
>Thanks

>> Underground is okay with the correct pipe. Anything above ground just
>> find out how brittle it is.
>> Your UV exposure may not be as extreme as it is in our Mojave desert.

Sure. If it breaks, just fix it ...

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