U-VALUES IN THE 1970 GUIDE.
BUILDING RESEARCH STATION WATFORD (ENGLAND)
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This paper describes the background to certain changes which are proposed in the 1970 I.H.V.E. Guide. Information obtained from U-value measurements in the BRS Wall and Roof Laboratories was used to improve the procedure for calculating U-values. The paper includes standard values for surface resistances, and for moisture contents and thermal conductivities of masonry materials to be used for calculating standard U-values. Author
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