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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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    • CommentAuthorDavycrocket
    • CommentTimeDec 17th 2019 edited
    Hi All

    The construction around the front facing windows of our home has 3 windows which, internally, are "inset" into the front elevation.

    Typically the front stonework is approx 450 mm thick, but where the windows sit the stonework is approx 200 mm thick and very cold with it.

    I intend to flush the walls off with a small studwork partition, in line with the thicker parts (450mm) so that the bay, if that's what its called is removed.

    My question is, what should I use to insulate the newly created void ?

    I'll use cls timber for the stud and probably cap them off to form the windowsill with u pvc or timber sills.

    Is this a good form of insulating works or are there other methods I should consider ?


    • CommentAuthortony
    • CommentTimeDec 17th 2019
    I would fill it full with polystyrene no gaps
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