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Proceedings Paper

We Need To Know More About Infrared Emissivity
Author(s): Stephen J. Marshall
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Paper Abstract

Emissivity values were measured at 0°C for four modern building materials in the 2.5-5.6 μm region of the infrared spectrum. The materials consisted of various visible colors and textures of roofing shingles, fluoropolymer coated steel roofing, aluminum siding, and solid vinyl siding. The results varied significantly over the range of colors selected. Values for thin coatings on metal substrates were lower than expected for the coatings alone. The effects of temperature, texture and wavelength were not clear. Emissivity values for common building materials were compiled from the literature and are included for comparison.

Paper Details

Date Published: 12 March 1982
PDF: 10 pages
Proc. SPIE 0313, Thermal Infrared Sensing Applied to Energy Conservation in Building Envelopes, (12 March 1982); doi: 10.1117/12.932890
Show Author Affiliations
Stephen J. Marshall, U.S. Army Cold Regions Research and Engineering Laboratory (United States)

Published in SPIE Proceedings Vol. 0313:
Thermal Infrared Sensing Applied to Energy Conservation in Building Envelopes
Richard A. Grot; James T. Wood, Editor(s)

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