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Title
Results of long term thermal resistance (LTTR) testing and R-value of current generation polyiso insulation
Results of long term thermal resistance (LTTR) testing and R-value of current generation polyiso insulation
Date
10/2004
10/2004
Author(s)
Western States Roofing Contractors Assn
Western States Roofing Contractors Assn
Page(s)
3
3
Keyword(s)
LTTR; WSRCA tecnical bulletin; polyiso
LTTR; WSRCA tecnical bulletin; polyiso
Abstract
This technical bulletin was issued to advise its members of new technical information regarding polyisocyanurate roof insulation. Recent changes in the blowing agents and manufacturing process of polyiso foam roof insulation urged WSRCA to commission laboratory testing to examine the thermal resistance (R-value) of the current generation of polyiso. The bulletin explains general background information, the natue of the testing WSRCA has undertaken, the results of the testing, and offers recommendations to designers and roofing contractors that practice in the western region of the United States.
This technical bulletin was issued to advise its members of new technical information regarding polyisocyanurate roof insulation. Recent changes in the blowing agents and manufacturing process of polyiso foam roof insulation urged WSRCA to commission laboratory testing to examine the thermal resistance (R-value) of the current generation of polyiso. The bulletin explains general background information, the natue of the testing WSRCA has undertaken, the results of the testing, and offers recommendations to designers and roofing contractors that practice in the western region of the United States.