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Determining R-values for tapered roof insulation systems

Abstract
How do you determine the R-value of a tapered roof insulation system when the insulation does not have a constant thickness throughout the roof? - This article gives two approaches to help determine the R-value.
Date
12/1995
Author(s)
Mark Graham
Page(s)
49
Source
Professional Roofing / National Roofing Contractors Assn
Keyword(s)
r value; tapered insulation

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