Enhancement of the standard for PVC roof membrane material with the use of mechanical and chemical analysis

From National Research Council Canada

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Author	Search for: Paroli, R. M.¹; Search for: Dutt, O.²; Search for: Smith, T. L.; Search for: Whelan, B. J.
Affiliation	National Research Council of Canada. NRC Institute for Research in Construction National Research Council of Canada
Sponsor	Search for: ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials
Format	Text, Article
Conference	Roofing Research and Standards Development : 3rd Volume: 19 June 1994, Montreal, Que., Canada
Subject	Roofing; Roofs; Roofs; Couvertures
Abstract	Samples of reinforced and unreinforced PVC roofing membranes were studied using dynamic mechanical analysis and tensile testing. Preliminary work has shown that the glass-transition temperature provides an indication of the relative stability of the membranes and may assist in understanding the shattering phenomenon. This study discusses the utility of using the glass-transition temperature in standards for the reinforced PVC roofing membranes. It is shown that Tg values are easily obtained from dynamic mechanical analysis (DMA) and that DMA should be considered in the standards for roofing membranes. Based upon the characterization of samples from shattered roofs, as well as reinforced materials subjected to artificial weathering, recommendations for enhancing the ASTM Standard D4434 are presented.
Publication date	1994-05
In	ASTM Special Technical Publication 1224 (May 1994): 116–122.
Note	Reprinted in Building Envelope Performance and Durability : IRC technical seminar held in 11 cities across Canada February through March 1995 (NRCC-38991)
Language	English
Peer reviewed	Yes
Identifier	IRC-P-3608
NRC number	NRCC 37762 NRC-IRC-5117
NPARC number	20375400
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Record identifier	67c10d5f-c52d-47f4-bde0-e983bea54c1a
Record created	2012-07-23
Record modified	2020-06-06

Date modified:: 2024-07-22