High-Humidity Buildings in Cold Climates—A Case History

RG Brand

doi:10.1520/STP36062S

SYMPOSIA PAPER Published: 01 January 1980

STP36062S

High-Humidity Buildings in Cold Climates—A Case History

Source

The masonry envelope over a steel structure in a 10-story building failed and had to be replaced after 17 years of service because of severe deterioration of some materials within the masonry walls. The building was designed for use as an office block but it was used for the display, servicing, and storage of art treasures for which the inside atmosphere was maintained at a temperature of 21 °C (70 °F) and 50 percent relative humidity the year round. The highly humidified air, in escaping through leakage paths in the building envelope, lost moisture by condensation which accumulated in and on the building materials. This led to the degradation of mortar, deterioration of masonry by frost action, and corrosion of metal ties and fasteners.

Author Information

Brand, RG

National Research Council of Canada, Ottawa, Ont., Canada

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Details

Developed by Committee: E06

Pages: 231–238

DOI: 10.1520/STP36062S

ISBN-EB: 978-0-8031-4768-3

ISBN-13: 978-0-8031-0325-2

High-Humidity Buildings in Cold Climates—A Case History

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