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Laboratory study of driving rain resistance of four façade systems with window fittings -Experimental results of leakage flows
RISE, SP – Sveriges Tekniska Forskningsinstitut.
2016 (English)In: CESB 2016 - Central Europe Towards Sustainable Building 2016: Innovations for Sustainable Future, 2016, p. 1233-1240Conference paper, Published paper (Refereed)
Abstract [en]

Facades generally experience leaks and driving rain is considered to be a significant source of moisture, which should be taken into account when carrying out moisture calculations for exterior walls. Water can leak into the exterior walls and facades to a greater or lesser extent. However, we lack specific information with details on the amount of penetrating water. Four facade systems have been examined. Three of the facade systems were different in that there was one ventilated system, one single-stage sealing system and two drained systems. To better understand the exact importance of seals and variations in installation and workmanship, these factors have also been studied. The measurements show significant water leakage where seals are absent. Even in cases with seals present, there are leakages. Although the installations were performed by professionals, it was still leaky which shows that facade systems with window fittings should be designed and tested for any anticipated defects in order to ensure that the exterior wall are not subject to moisture damage.

Place, publisher, year, edition, pages
2016. p. 1233-1240
Keywords [en]
Driving rain resistance, EN 12865, Fagade, Water leakage, Windows, Intelligent buildings, Moisture, Rain, Sustainable development, Walls (structural partitions), Driving rain, Laboratory studies, Moisture damage, Specific information, Ventilated system, Facades
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27666Scopus ID: 2-s2.0-84986893121ISBN: 9788027102488 (print)OAI: oai:DiVA.org:ri-27666DiVA, id: diva2:1059224
Conference
Central Europe Towards Sustainable Building 2016: Innovations for Sustainable Future, CESB 2016, 22 June 2016 through 24 June 2016
Note

References: Samuelson, I., Mjornell, K., Jansson, A., Moisture damage in rendered, undrained, well insulated stud walls (2008) Proc 8th Symposium of Building Physics in the Nordic Countries, , Copenhagen; Jansson, A., Actions against moisture damage in etic walls (2014) 10th Nordic Symposium on Building Physics, , 15-19 June 2014; Lund, Sweden; Olsson, L., Long-Time field moisture measurements in wooden walls with different types offacades: Focus on driving rain tightness (2015) 6th International Building Physics Conference, IBPC, , 14-17 June; Torino, Italy2015; Woodbury, C., (2009) Stucco in New Residential Construction -A Position Paper Includes -Updates to Original Information, , Division BI, editor. Woodbury, Minnesota: City of Woodbury; Olsson, L., Results from laboratory measurements of wind driven tightness in different types of facades 10th Nordic Symposium on Building Physics, , 2014-06-15; Lund, Sweden. Lund, Sweden2014., 954-9; Gustavsson, B., (2009) Fonstermontage (SP Rapport 2009:35). Boras: SP Sveriges Tekniska Forskningsinstitut, p. 35. , Energiteknik; 2009; CMHC. Water Penetration Resistance of Windows-Study of Manufacturing, Building Design, Installation and Maintenance Factors (Technical Series 03-124). Canada Mortgage and Housing Corporation; 2003Bednar, T., Hagentoft, C.-E., Annex 55-Reliability of Energy Efficient Building Retrofltting-Probability Assessment of Performance and Cost (RAP-RETRO), Report 2015: 7, p. 2015. , Goteborg: Chalmers Tekniska Hogskola.:; Tenwolde, A., A review of ASHRAE standard 160-criteria for moisture control design analysis in buildings (2011) J Test Eval., 39 (1); Ngudjiharto, E., Tariku, F., Fazio, P., (2014) Window Sill Defects. 14th Canadian Conference on Building Science and Technology, , Toronto, Canada; Van Den Bossche, N., De Meersman, G., Devos, L., Maertens, S., Janssens, A., Watertightness of window-wall interfaces in wood-frame construction (2014) 10th Nordic Symposium on Building Physics, , Lund, Sweden; De Meersman, G., Van Den Bossche, N., Janssens, A., A parametric HAM study of the risk assessment of water ingress in Wooden Constructions (2014) 10th Nordic Symposium on Building Physics, , Lund, Sweden; SIS. SS-EN 12865 Hygrothermal performance of building components and building elements-Determination of the resistance of external wall systems to driving rain under pulsating air pressure. The European Standard EN 12865:2001 has the status of a Swedish Standard. Stockholm: SIS, Swedish Standards Institute; 2001A4 -

Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2017-09-19Bibliographically approved

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