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Proceedings Paper

Roof Moisture Surveys: Current State Of The Technology
Author(s): Wayne Tobiasson
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Paper Abstract

Moisture is the big enemy of compact roofing systems. Non-destructive nuclear, capacitance and infrared methods can all find wet insulation in such roofs but a few core samples are needed for verification. Nuclear and capacitance surveys generate quantitative results at grid points but examine only a small portion of the roof. Quantitative results are not usually provided by infrared scanners but they can rapidly examine every square inch of the roof. Being able to find wet areas when they are small is an important advantage. Prices vary with the scope of the investigation. For a particular scope, the three techniques are often cost-competitive. The limitations of each technique are related to the people involved as well as the equipment. When the right people are involved, non-destructive surveys are a very effective method for improving the long-term performance and reducing the life-cycle costs of roofing systems. Plans for the maintenance, repair or replacement of a roof should include a roof moisture survey.

Paper Details

Date Published: 21 March 1983
PDF: 8 pages
Proc. SPIE 0371, Thermosense V, (21 March 1983); doi: 10.1117/12.934453
Show Author Affiliations
Wayne Tobiasson, U.S. Army Cold Regions Research and Engineering Laboratory (United States)

Published in SPIE Proceedings Vol. 0371:
Thermosense V
George E. Courville, Editor(s)

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