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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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    • CommentAuthorjfb
    • CommentTimeJul 3rd 2019
     
    I can see the point of using a diamond scratch pattern rather than a normal horizontal pattern for a scratch lime render coat on lath.

    Anyone know of any reason not to use a horizontal scratch for a stone wall?
    • CommentAuthortony
    • CommentTimeJul 3rd 2019
     
    Purely a matter of style, I like waves done with a stick with 20 nails through it, ie twenty wavy lines at a time
    • CommentAuthorjms452
    • CommentTimeJul 3rd 2019
     
    If your wall is build from blocks which essentially have horizontal and vertical joins it would make sense to avoid needless vertical or horizontal lines (weakening) the render....
  1.  
    Apart from providing a better key, i have been told that the diamond scratching reduces cracking and evens out shrinkage as it provides evenly distributed reinforcement in a multi directional pattern. The wavy lines do not and are best avoided.
    •  
      CommentAuthordjh
    • CommentTimeJul 3rd 2019
     
    Don't know much about the subject, but I saw somewhere that the purpose of the slope is to allow drainage of excess water when the next coat is applied. I don't know whether the substrate would be relevant.
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