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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.
Buy individually or both books together. Delivery is free!


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Products: Water mains supply pipe material/product?

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  1.  
    • CommentAuthorShevek
    • CommentTimeMay 18th 2013 edited
     
    What material do we use for our new water mains supply pipe? Needs to be 32 mm.
    • CommentAuthorFred56
    • CommentTimeMay 18th 2013
     
    Just the usual blue plastic pipe commonly known as MDPE or blue Alkathene. Every merchant will have it and it is usually in rolls of 25m or 50mm. Very cheap so no point in trying to buy cut lengths.

    Why 32mm? Usually 25mm for a house.
    •  
      CommentAuthorSteamyTea
    • CommentTimeMay 18th 2013 edited
     
    I got some spare in my loft from when I put the shower in. I think it is 25mm. Came from Wickes, cost about 15 quid.
    • CommentAuthorShevek
    • CommentTimeMay 18th 2013 edited
     
    Thanks Fred.
    Posted By: Fred56Why 32mm? Usually 25mm for a house.

    Better flow rate basically. Going to all the effort so we might as well go the extra mile.
    http://www.greenbuildingforum.co.uk/forum114/comments.php?DiscussionID=10178
  5.  
    I would add that if you want a mains pressure system (which I highly recommend, others disagree), then go for the 32mm.
    • CommentAuthorShevek
    • CommentTimeMay 18th 2013
     
    Posted By: dimengineerI would add that if you want a mains pressure system (which I highly recommend, others disagree), then go for the 32mm.

    That's us.

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