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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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    • CommentAuthorGBP-Keith
    • CommentTimeSep 27th 2007 edited
    Anyone planning on using some district heating between buildings beware of the systems that use pulled through insulation. I think they must stretch it with the pulling process as I've just been servicing the entry/exits of the piping and have discovered that the internal insulation has completely vanished down inside the ducting!

    If you are going to use this type then I suggest that you extend the tails so you can shorten the ducting and bend the insulation out over the tail and clamp it on with jubilee clips.

    In the picture you can see that the one on the left is devoid of inner insulation. A tape measure pushed down the pipe revealed 4mm and probably still shrinking. All I can do now is restrain the outer one as suggested above and pour something like polystyrene beads down to hopefully fill the void.
    • CommentAuthorchuckey
    • CommentTimeSep 27th 2007
    Where abouts is the heat consumed measured, if its upstream of this termination, then its the Co. thats wasting money!
    • CommentAuthorSaint
    • CommentTimeSep 27th 2007
    Keith, why not wrap a length of Aerogel fleece around it. Either 3mm thick so you can tuck it into the void or maybe you could squeeze in a 6mm thick piece, then just tape it. Thermal performance is around 3 times better than the insulation pictured
    • CommentTimeSep 30th 2007
    expanding foam would be great for that job. Put an extension tube on the spray container and withdraw the tube as you spray.
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