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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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    • CommentAuthorrevor
    • CommentTime7 days ago
     
    Need to prepare a door entranceway for tiling post fitting door and frame and need to bridge across the DPC for some support to the frame. I was going to use 12mm hardiebacker board and tile onto that for the entrance step. However discovered in checking it out that hardiebacker board is not suitable for outside. Anyone got a suggestion as to what I could use? I would normally use a slate cill to bridge (stopping short of inside for cold bridging reasons) but don't have sufficient gap under the bottom of the frame for that. Here locally slate cills are 34mm thick but only got 25mm to play with.
    • CommentAuthorCranbrook
    • CommentTime6 days ago
     
    Use a sandwich of 6mm XPS tile backer board (eh wediboard, jackoboard, Delta board etc), 12mm Hardie backer, another 6mm XPS backer on top
    • CommentAuthorMike1
    • CommentTime5 days ago
     
    • CommentAuthorowlman
    • CommentTime5 days ago
     
    Have you looked at Compacfoam CF200?
    • CommentAuthorrevor
    • CommentTime2 days ago
     
    Many thank s for the info. Get to learn a lot every discussion. Sandwich good idea whilst have heard of wediboard never used it had thought of it in doing he bathrooms have seen it at an exhibition bein used to construct all manner of shapes . Had a look at the Brazilian slate it is less than half of what I have paid for welsh slate but it had been polished,a drip groove and ariss added so maybe not that bad. Wish had known of compacfoam when doing the original build would have saved me a lot of time bridging cavities around windows. The problem arose because I had a steel beam above the door frame on an entrance to a conservatory but what I have manged to do now is move the doorway a bit further into the room so it avoids the steel beam and raise the doorway sufficient for me to get a standard local cill in. Either side of the door are side lights so the reveals and window board are now a bit deeper.
    •  
      CommentAuthorfostertom
    • CommentTime1 day ago
     
    Surely, get hold of some 20mm slate, even if not common locally.
    • CommentAuthorrevor
    • CommentTime1 day ago
     
    if it was not for the fact that all the other cills are blue welsh slate then yes which is why an alternative material would have worked. But the solution was easy to do as the framing either side of the doorway is timber. Should have thought of it earlier.
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