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Abstract
Research conducted over the last three years at the Oak Ridge National Laboratory (ORNL) on alternative blowing agents for CFC-blown polyisocyanurate insulation, has led to the development of a new methodology for the assessment of in-service r-values. This new methodology considers several factors that influence long-term thermal performance.
Research conducted over the last three years at the Oak Ridge National Laboratory (ORNL) on alternative blowing agents for CFC-blown polyisocyanurate insulation, has led to the development of a new methodology for the assessment of in-service r-values. This new methodology considers several factors that influence long-term thermal performance.
Date
11/1992
11/1992
Author(s)
NRCA
NRCA
Page(s)
1-2
1-2
Keyword(s)
r-value; polyisocyanurate; roof insulation boards; hcfc; blown insulation
r-value; polyisocyanurate; roof insulation boards; hcfc; blown insulation