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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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  1.  
    I need to put in a land drain in light sandy soil. Would there be any advantage in lining the ditch with geotextile membrane or similar to stop the sand clogging up the shingle - or would the geotextile clog up as quick or quicker than the shingle

    The sand/soil is very fine and does not normally need drainage but this is next to a house (stone rubble construction with no DPC) and I need to take the rain water away from the house rather than soak down into the wall.
    • CommentAuthorowlman
    • CommentTimeAug 8th 2018 edited
     
    Are you using clay or perforated plastic? Are you surrounding it with e.g. shingle/gravel .
  2.  
    The land drain will be perforated plastic surrounded with limestone chippings size 5 - 15mm. depth 500mm with a width of 1 shovel.
    • CommentAuthorowlman
    • CommentTimeAug 8th 2018
     
    Personally I'd just cover the chippings top with Geotextile to keep it as clean as possible for as long as possible. I did something similar at the side of my sunroom. I used 4" plastic pipe that I had kicking around and just cut some slots on the top half with an angle grinder and it works fine.
    • CommentAuthorgyrogear
    • CommentTimeAug 8th 2018 edited
     
    If it's light sand, willl you even get it that narrow and deep ? Sides might need sloping... !

    gg
  3.  
    Thanks owlman that's what I was leaning towards

    Posted By: gyrogearIf it's light sand, willl you even get it that narrow and deep ? Sides might need sloping... !

    The top soil has roots to bind it and below that it is damp enough to hold
    • CommentAuthorjfb
    • CommentTimeAug 8th 2018
     
    geotextile for sand but not for clay (as clay clogs up the membrane)
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