63 Questions
Read All Questions & AnswersWhat is the R value?
1
This won’t have a real rating. Likely r-1 like a single pane+storm pane. With the ribs horizontal you’d get less convection so best guess is r-2 or 3.
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1
This won’t have a real rating. Likely r-1 like a single pane+storm pane. With the ribs horizontal you’d get less convection so best guess is r-2 or 3.
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