# PEX in crawlspace **URL:** \ **Category:** Plumbing Inspections\ **Created:** [April 18, 2007, 2:03pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466 "2007-04-18T14:03:03Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![jlybolt](https://avatars.discourse-cdn.com/v4/letter/j/71c47a/32.png) [@jlybolt](https://forum.nachi.org/u/jlybolt)\ **Post date:** [April 18, 2007, 2:03pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/1 "2007-04-18T14:03:03Z")
Is it ok to install PEX in crawlspace. If so I would imagine it too needed to be insulated and properly supported. Anybody have any good product literature on proper install. Searched the web but it was vague. 🙂 ---
**Author:** ![lkage](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/lkage/32/347658_2.png) [@lkage](https://forum.nachi.org/u/lkage)\ **Post date:** [April 18, 2007, 2:36pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/2 "2007-04-18T14:36:44Z")
Here: [http://www.toolbase.org/PDF/DesignGuides/pex\_designguide.pdf](http://www.toolbase.org/PDF/DesignGuides/pex_designguide.pdf) ---
**Author:** ![mgault](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/mgault/32/57038_2.png) [@mgault](https://forum.nachi.org/u/mgault)\ **Post date:** [April 18, 2007, 3:35pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/3 "2007-04-18T15:35:26Z")
As Larry alluded to (albeit indirectly and in an instructional manner 🙂 ), Short answer; it’s fine in a crawspace… ---
**Author:** ![dchew](https://avatars.discourse-cdn.com/v4/letter/d/7c8e57/32.png) [@dchew](https://forum.nachi.org/u/dchew)\ **Post date:** [April 18, 2007, 8:16pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/4 "2007-04-18T20:16:01Z")
I’m surprised that the companies that specialize in replacing old galvanized pipes haven’t started to use PEX. Just a matter of time. ---
**Author:** ![dhelm](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/dhelm/32/2090_2.png) [@dhelm](https://forum.nachi.org/u/dhelm)\ **Post date:** [April 19, 2007, 11:38pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/5 "2007-04-19T23:38:29Z")
One of the nice things about PEX is that it can expand with freezing, but has a memory and shrinks back to original size when thawed. Way less prone to breaking than copper. ---
**Author:** ![jlybolt](https://avatars.discourse-cdn.com/v4/letter/j/71c47a/32.png) [@jlybolt](https://forum.nachi.org/u/jlybolt)\ **Post date:** [April 20, 2007, 1:15pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/6 "2007-04-20T13:15:59Z")
Excellent, thank you very much for the info. Have a good weekend. ---
**Author:** ![rmccullough](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/rmccullough/32/1667_2.png) [@rmccullough](https://forum.nachi.org/u/rmccullough)\ **Post date:** [April 22, 2007, 6:09pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/7 "2007-04-22T18:09:19Z")
> [@dhelm](#): > > One of the nice things about PEX is that it can expand with freezing, but has a memory and shrinks back to original size when thawed. Way less prone to breaking than copper. Kind of like me when I eat a great steak dinner uh, I exand then shrink back to size later, 😉 Memory Gut, 😉 ---
**Author:** ![jhagarty](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/jhagarty/32/78584_2.png) [@jhagarty](https://forum.nachi.org/u/jhagarty)\ **Post date:** [April 22, 2007, 7:16pm UTC](https://forum.nachi.org/t/pex-in-crawlspace/15466/8 "2007-04-22T19:16:34Z")
> [@lkage](#): > > Here: > > [http://www.toolbase.org/PDF/DesignGuides/pex\_designguide.pdf](http://www.toolbase.org/PDF/DesignGuides/pex_designguide.pdf) Thanks for the weblink…