Abstract
In this paper, the author deals with the resistance of light polymer foils based on microporous functional film, used as additional waterproofing layers of pitched roofs. He exposes these foils to the effects of natural ageing and the effects of artificial ageing according to the methodology of the European test standard. Subsequently, it verifies the tensile properties of the exposed foils and compares the effects of natural and artificial ageing in order to determine the possible cause of premature degradation of these materials, which often occurs in practice. He concludes that the cause of this degradation is not excessive leniency of testing standards, but the insufficient quality of materials supplied to the European market.
Publisher
Technical University of Liberec
Subject
Polymers and Plastics,Materials Science (miscellaneous),Chemical Engineering (miscellaneous),Business and International Management
Reference21 articles.
1. Kalibatis D., Kovaitis V.: Selecting the most effective alternative of waterproofing membranes for multifunctional inverted flat roofs, Journal of civil engineering and management, 23(5), 2017, pp. 650-660. https://doi.org/10.3846/13923730.2016.1250808
2. Černohorský M, Havrhlík M.: Water-resistance of nanofiber textiles, Key Engineering Materials, 731, 2017, pp. 55-59. https://doi.org/10.4028/www.scientific.net/KEM.731.55
3. Wu S., Lei C., Cai Q, et al.: Study of structure and properties of polypropylene microporous membrane by hot stretching, Polymer bulletin, 71(9), 2014, pp. 2205-2217. https://doi.org/10.1007/s00289-014-1182-6
4. Essah E.A., Sanders Ch., Baker P., et al.: Condensation and moisture transport in cold roofs: effects of roof underlay, Building research and information, 37(2), 2009, pp. 117-128. https://doi.org/10.1080/09613210802645973
5. Navara T.: Doplňkové hydroizolační vrstvy šikmých střech na bázi fólií lehkého typu, Master Thesis, Institute of Technology and Business in České Budějovice: ČeskéBudějovice, 2020.