Berlad A L., et al.
Bibliographic info:
Thermal Insulation Performance American Society for Testing and Materials, ASTM STP 718, ed by D.L. McElroy, R.P.Tye, 1980, 181-194, 11 figs, #DATE 00:00:1980 in English,

The R-values of permeable insulation systems are generally determined in test apparatus designed to assure one-dimensional heat transfer and to assure no air intrusion effects. Such classical R-values are used to help describe insitu heat-tra