Poly vs. PVC for home irrigation system

Discussion in 'Irrigation' started by carnelkw, Aug 16, 2007.

  1. carnelkw

    carnelkw LawnSite Member
    Posts: 1

    I am currently taking bids for an irrigation system at my home in Charlotte, NC which will require 6-7 zones. I am having a hard time deciding if I should use poly or pvc pipe. The yard is very mature with large trees. What are the advantages and disadvantes of them? Please advise.
     
  2. rkelachim

    rkelachim LawnSite Member
    from IA
    Posts: 8

    No brainer...Use Poly. Cheaper & more durable.
     
  3. Dirty Water

    Dirty Water LawnSite Fanatic
    Posts: 6,794

    More Durable?

    :laugh:

    Do whatever is the current trend in your region. The people who service will be more familiar with it.
     
  4. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,071

    Double ditto..check locally...I'm pvc, but around trees, a poly lateral mite
    work. Check with the pros.
     
  5. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,071

    More friction loss...more dumb fittings...durable? 200 psi poly..maybe.:hammerhead:
     
  6. Mr.cactus

    Mr.cactus LawnSite Member
    from Brea CA
    Posts: 57

    I love pvc, Easy to fit durable doesn't cut easy. But I hate the blue glue especially when I get it in a cut :blob2: : :cry:
     
  7. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,071

    If you use sch 40, they make the cool (not cheap) clippers, clean cuts, no
    crap in the lines. Switch to 711 medium body glue & p-90 primer.:)
     
  8. Kiril

    Kiril LawnSite Fanatic
    Posts: 18,308

    And ditto again. I only use SCH 40 and up. SCH 40 can take one hell of a whack with a shovel and not break, can you say the same about poly or class pipe?

    IMO the cost difference is not a factor when compared to the total cost of the system.

    I use Medium or heavy duty grey cement with purp primer on all pvc.

    http://www.oatey.com/apps/catalog/showprod.asp?ctg=1&subctg=2


    If you want to design per ML/Kiril 10K specs then use Type-K copper for all your lines. ;)
     
  9. Mr.cactus

    Mr.cactus LawnSite Member
    from Brea CA
    Posts: 57


    Lol, I mean a cut in my finger. But yeah I agree 711 is good stuff.
     
  10. PurpHaze

    PurpHaze LawnSite Fanatic
    Posts: 5,496

    I'm not a fan of grey glue at all... since 90% of our main line failure repairs are from fittings (including bell ends) where grey glue was used. I have so many pictures of grey glue failed joints that I could flood a thread with them. :)
     

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