Resistance of ETICS with Fire Barriers to Cyclic Hygrothermal Impact

Sustainability

Vincent Buhagiar¹  Paweł Krause²  Arūnas Burlingis³  Rosita Norvaišienė³ 

[1] Department of Environmental Design, Faculty for the Built Environment, University of Malta, MSD 2080 Msida, Malta;Faculty of Civil Engineering, Silesian University of Technology, 44-100 Gliwice, Poland;Institute of Architecture and Construction, Kaunas University of Technology, LT-44405 Kaunas, Lithuania;

关键词: ETICS;    EPS;    MW;    fire barriers;    hard-body impact;    hygrothermal behaviour;   

DOI  :  10.3390/su13169220

来源: DOAJ

【 摘 要 】

The article presents the results of a set of hygrothermal experiments of an external wall insulated with an ETICS. As an add-on to previous studies, thermal insulation in the form of polystyrene with an additional horizontal strip of mineral wool was used. Laboratory tests were carried out in accordance with ETAG 004. The ETICS test rig was composed of combustible expanded polystyrene foam (EPS) and horizontal strips of noncombustible mineral wool (MW) fire barriers over windows. The physical and mechanical properties of four types of finishing renders (without an additional reinforcement mesh in base coat of the fire barriers) were analyzed across full hygrothermal cycles in a climate chamber. Temperature sensors were mounted onto different ETICS layers to collect thermal data during the weathering. The testing of ETICS regarding their hygrothermal performance revealed that there were no visible defects on any renderings and over the junctions depending on the type of used insulation materials. Results also showed that the joints of EPS and MW have approximately half of their bond strength from polystyrene strength.

【 授权许可】

Unknown