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#45683 by artmanvt2000
Thu Jan 14, 2010 2:49 pm
Has anyone use the super energy efficient windows by Serious Materials. They appear to have some very low u-values. Haven't seen any information on their DP rating.
#45750 by Bruce111
Sat Jan 16, 2010 8:56 am
That's a serious R value (11.1) They seem to use three layers of film inside the cavity to achieve this. I guess there must be a serious purchase cost involved here! Interesting stuff!

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