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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.

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    • CommentAuthorRex
    • CommentTime3 days ago
    What ho one and ll,

    Following a previous thread, I have taken delivery of 20mm MDPE pipe and am in the process of' creating' a channel between the pebbles surrounding the house and the edge of the below-ground brickwork. Not going too deep, but that is not the issue.

    The pipe was delivered in a coil and of course, I want it more or less, straight. What is the secret to straightening it? I realise that once installed and covered, it will over time, straighten, but that does not help with the installing.

    Thanks and toodle pip
    • CommentAuthorjfb
    • CommentTime3 days ago
    Weight down your starting point with a stone/brick, as you lay it out keep weighing it down as you go. When it is laid try and take the stone out as you cover with shingle.

    What depth are you planning on putting the pipe? Not freezing is one of the reasons for not having it too close to the surface, though to be honest mdpe is pretty good at not freezing.
    • CommentAuthorrevor
    • CommentTime3 days ago
    Don't pull it off the coil with it flat on the floor roll it out vertically as you would roll a wheel or unwind an extension cable off its reel.
    • CommentAuthorRex
    • CommentTime3 days ago

    Thanks. I had it in the sun for around an hour before unrolling it, and then laid it on the drive with bricks at either end. went into the shallow groove with no problems.

    Not overly concerned about freezing as although the ground will obviously get cold, the pebble / brickwork verge is well protected by the 1m roof over hang and tends not to get either frost or much snow.

    When winter approaches, I will use compressed air to blow any residual water out.

    Thought it was going to be a biggish job, but with the exception of the fittings at either end, it is now virtually all laid.
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