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    • CommentAuthorArnold
    • CommentTimeDec 26th 2008
     
    I have just seen Pilkington energiKare glass which looks ok but there info managed to not say what U value it actually achieved does anyone now how good it actually is?
    • CommentAuthorandy t
    • CommentTimeDec 29th 2008
     
    A sealed unit with one leaf of 4mm clear float/16mm argon cavity/4mm k glass has a centre pane u value of 1.5. The equivalent using Saint gobain Planitherm total intead of Pilks K gives a value of 1.2.:bigsmile:
    • CommentAuthorArnold
    • CommentTimeDec 30th 2008
     
    thank you,

    incidentally, yesterday I read 'Windows and Glazing in the Bible, which answered the question which pilks web site did not give,

    could not believe I had missed article before then!
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