SYMPOSIA PAPER Published: 01 January 1990
STP23324S

A Comparison of Two Techniques for Monitoring the Field Thermal Performance of Roof Systems

Source

Two independent techniques, one intrusive and one non-intrusive, for monitoring the thermal performance of in situ roof systems are compared. The intrusive technique requires thermocouples on inside and outside surfaces of the roof system and a heat flux transducer (HFT) embedded in the system. The non-intrusive procedure has the same thermocouple placement and a series of HFTs on the inside surface of the deck. The crucial difference in the methods is in the HFT placement and the technique for HFT calibration. Results of a one-year field study using both methods on the same roof assembly are described. The roof assembly is a built-up roof with molded expanded polystyrene (EPS) insulation above a metal deck.

Author Information

Courville, GE
Oak Ridge National Laboratory, Oak Ridge, TN
Childs, PW
Oak Ridge National Laboratory, Oak Ridge, TN
Moazed, AR
W. R. Grace and Company, Cambridge, MA
Derderian, GD
W. R. Grace and Company, Cambridge, MA
Stewart, GD
W. R. Grace and Company, Cambridge, MA
Shu, LS
W. R. Grace and Company, Cambridge, MA
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Details
Developed by Committee: C16
Pages: 483–495
DOI: 10.1520/STP23324S
ISBN-EB: 978-0-8031-5109-3
ISBN-13: 978-0-8031-1278-0