Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes

Detalhes bibliográficos
Autor(a) principal: Marques, J. A.
Data de Publicação: 2011
Outros Autores: Lopes, Jorge, Correia, J. R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.21/12312
Resumo: Flat roofs in current buildings include a waterproofing system, often made of bituminous membranes with a self-protection constituted by mineral granules. These granules constitute the barrier against the fundamental environmental agent of degradation, the UV radiation. Therefore it is of paramount importance to understand the long-term performance of the self-protection layer, namely its adhesion to the coatings of bituminous membranes. This paper presents an experimental study on the behaviour of the self-protection granule of bituminous membranes when subjected to environmental agents of degradation. Different types of atactic polypropylene (APP) and styrene–butadiene–styrene (SBS) modified bituminous membranes, comprising different finishing systems, were exposed to the effects of elevated temperature and water for up to 24 weeks and 4 weeks, respectively. Following accelerated ageing, specimens of the different types of membranes were subjected to brushing tests, carried out according to EN 12039, in order to evaluate the adhesion of the self-protection granules. The results obtained in this study, which are compared with performance limits recommended by UEAtc directives, show that the higher loss of self-protection granule of bituminous membranes occurs in membranes modified by APP polymers. In addition, it was concluded that the effect of water is much more severe than that of elevated temperature.
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spelling Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranesWaterproofingMembraneSelf-protectionGranuleAdhesionDurabilityFlat roofs in current buildings include a waterproofing system, often made of bituminous membranes with a self-protection constituted by mineral granules. These granules constitute the barrier against the fundamental environmental agent of degradation, the UV radiation. Therefore it is of paramount importance to understand the long-term performance of the self-protection layer, namely its adhesion to the coatings of bituminous membranes. This paper presents an experimental study on the behaviour of the self-protection granule of bituminous membranes when subjected to environmental agents of degradation. Different types of atactic polypropylene (APP) and styrene–butadiene–styrene (SBS) modified bituminous membranes, comprising different finishing systems, were exposed to the effects of elevated temperature and water for up to 24 weeks and 4 weeks, respectively. Following accelerated ageing, specimens of the different types of membranes were subjected to brushing tests, carried out according to EN 12039, in order to evaluate the adhesion of the self-protection granules. The results obtained in this study, which are compared with performance limits recommended by UEAtc directives, show that the higher loss of self-protection granule of bituminous membranes occurs in membranes modified by APP polymers. In addition, it was concluded that the effect of water is much more severe than that of elevated temperature.ElsevierRCIPLMarques, J. A.Lopes, JorgeCorreia, J. R.2020-11-02T16:04:48Z2011-012011-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/12312engMARQUES, J. A.; LOPES, Jorge Grandão; CORREIA, J. R. – Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes. Construction and Building Materials. ISSN 0950-0618. Vol. 25, N.º 1 (2011), pp. 138-1440950-061810.1016/j.conbuildmat.2010.06.047metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T10:04:58Zoai:repositorio.ipl.pt:10400.21/12312Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:20:25.526219Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
title Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
spellingShingle Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
Marques, J. A.
Waterproofing
Membrane
Self-protection
Granule
Adhesion
Durability
title_short Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
title_full Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
title_fullStr Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
title_full_unstemmed Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
title_sort Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes
author Marques, J. A.
author_facet Marques, J. A.
Lopes, Jorge
Correia, J. R.
author_role author
author2 Lopes, Jorge
Correia, J. R.
author2_role author
author
dc.contributor.none.fl_str_mv RCIPL
dc.contributor.author.fl_str_mv Marques, J. A.
Lopes, Jorge
Correia, J. R.
dc.subject.por.fl_str_mv Waterproofing
Membrane
Self-protection
Granule
Adhesion
Durability
topic Waterproofing
Membrane
Self-protection
Granule
Adhesion
Durability
description Flat roofs in current buildings include a waterproofing system, often made of bituminous membranes with a self-protection constituted by mineral granules. These granules constitute the barrier against the fundamental environmental agent of degradation, the UV radiation. Therefore it is of paramount importance to understand the long-term performance of the self-protection layer, namely its adhesion to the coatings of bituminous membranes. This paper presents an experimental study on the behaviour of the self-protection granule of bituminous membranes when subjected to environmental agents of degradation. Different types of atactic polypropylene (APP) and styrene–butadiene–styrene (SBS) modified bituminous membranes, comprising different finishing systems, were exposed to the effects of elevated temperature and water for up to 24 weeks and 4 weeks, respectively. Following accelerated ageing, specimens of the different types of membranes were subjected to brushing tests, carried out according to EN 12039, in order to evaluate the adhesion of the self-protection granules. The results obtained in this study, which are compared with performance limits recommended by UEAtc directives, show that the higher loss of self-protection granule of bituminous membranes occurs in membranes modified by APP polymers. In addition, it was concluded that the effect of water is much more severe than that of elevated temperature.
publishDate 2011
dc.date.none.fl_str_mv 2011-01
2011-01-01T00:00:00Z
2020-11-02T16:04:48Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.21/12312
url http://hdl.handle.net/10400.21/12312
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv MARQUES, J. A.; LOPES, Jorge Grandão; CORREIA, J. R. – Durability of the adhesion between bituminous coatings and self-protection mineral granules of waterproofing membranes. Construction and Building Materials. ISSN 0950-0618. Vol. 25, N.º 1 (2011), pp. 138-144
0950-0618
10.1016/j.conbuildmat.2010.06.047
dc.rights.driver.fl_str_mv metadata only access
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rights_invalid_str_mv metadata only access
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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