SYMPOSIA PAPER Published: 01 January 1976
STP27791S

Effect of Moisture on the Strength Characteristics of Built-Up Roofing Felts

Source

Stress-strain properties of Type 15 asphalt-saturated, organic, and asbestos felts are compared at room temperature and 50 percent relative humidity. The rate of water sorption by asphalt-saturated organic felt immersed for 520 h in distilled water at room temperature and the effect of moisture on its strength characteristics are assessed. The structure of unsaturated organic felt and the inter-locking characteristics of the fibers were examined by a scanning electron miscroscope.

Author Information

Laaly, HO
Building Materials Section, Division of Building Research, National Research Council of Canada, Ottawa, Ont., Canada
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Details
Developed by Committee: D08
Pages: 104–113
DOI: 10.1520/STP27791S
ISBN-EB: 978-0-8031-4678-5
ISBN-13: 978-0-8031-0559-1