The 5-pane Bow Window in my house needs to be replaced. The offer on the table is for panes that have an R rating of 25, but for some reason the R rating of the entire window is 4.
What does this mean?
Dick
R-rating of Bow Window
Aug 01, 2007
3 Replies
The panes are not R25, no window glass is. Its maybe a r3.5 for dual pane LowE. Its likely U.25 the inverse of R value. R4 is possible. Go to
formatting link
to learn about ratings.
When I saw the subject header, my first thought was 'close the curtains, then the window won't be R-rated'.....
snipped-for-privacy@panix.com (Dick Adams) wrote in news:f8qnrh$cn7$1 @reader2.panix.com:
Wonder if it would be cheaper to fill my attic with bow windows...?
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