Field Performance of Spray Applied Thermal Insulating Foams

Abstract

The replacement of old blowing agents has raised the question of the long-term thermal performance of such foams. To retain the long-term thermal per formance of new SPUF types, chemical manufacturers (system houses) will have to consider a more fundamental review of the polymers available to create a new gener ation of SPUFs, and the SPUF contractors (field fabricators) will have to acquire the technical knowledge needed for promoting the SPUF in a number of new applica tions. To place these issues into perspective, this presentation on long-term thermal per formance of SPUFs, together with one from the National Research Council of Canada which addresses some key functions of the building envelope, such as the air barrier performance lead to the conclusion that to enhance the use of SPUFs in con struction systems, a clear focus on the performance controls is required.