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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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    • CommentAuthorOliver
    • CommentTimeNov 26th 2007
     
    ......do they exist?
    i'm finishing the drawings for a stainless frame for a large glass roof (heat store) on a new build scheme, all the complicated bits are done but i'm stuck at the last hurdle, the 50x50x6mm angleine frame needs to be well fixed into the 6 x 225mm timbers around the edges of the opening........ however i can't use normal coach bolts as the inside of the angle needs to be flush(ish) to not disturb the glass..... Does anyone know of a type of countersunk (i imagine hex headed) coach screw or anything else that may surfice?
    • CommentAuthorchuckey
    • CommentTimeNov 26th 2007
     
    As I understand it coach bolts have a square section under the head that pulls into the wood and stops the head from rotating when the nut is done up. There can therefore be no coach screw, just a big screw, because the square bit would stop you rotating it to tighten it up. So two options :- Countersunk bolt with a nut and washer on behind the 9 X 2, or large countersunk screws. If these fixings might need to be removed from the glass side and the other side of the 9 X 2 is covered, then what you need is a plate tapped with the correct thread in it which is fixed by wood screws on to the back of the 9 X 2, so when the bolt is withdrawn the "nut" stays in place.
    Frank
    • CommentAuthorBowman
    • CommentTimeNov 26th 2007
     
    Try threaded inserts with standard csk machine screws, tapex probably do something suitable, or Google "thread inserts for wood"
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