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Analysis of Air Permeability of Insulated Masonry Walls

Author

Listed:
  • Valdemaras Geležiūnas

    (Institute of Architecture and Construction Kaunas, University of Technology, Tunelio str. 60, 44405 Kaunas, Lithuania)

  • Karolis Banionis

    (Institute of Architecture and Construction Kaunas, University of Technology, Tunelio str. 60, 44405 Kaunas, Lithuania)

  • Raimondas Bliūdžius

    (Institute of Architecture and Construction Kaunas, University of Technology, Tunelio str. 60, 44405 Kaunas, Lithuania)

  • Valdas Paukštys

    (Institute of Architecture and Construction Kaunas, University of Technology, Tunelio str. 60, 44405 Kaunas, Lithuania)

  • Jurga Kumžienė

    (Institute of Architecture and Construction Kaunas, University of Technology, Tunelio str. 60, 44405 Kaunas, Lithuania)

Abstract

Recently, the construction of external ventilated walls has become popular for public and office buildings. These blocks are used without internal rendering because of their good interior surface, stable dimensions and various filling of masonry joints, which provide an attractive architectural appearance. However, problems with the airtightness of such walls often occur. Currently, there are no standard methods to predict the airtightness of such wall. In practice, samples of particular walls are produced, and their air permeability is measured at laboratories. For the broader use of the results of laboratory air permeability measurements, a methodology has been developed to predict the air permeability of block masonry walls using experimentally determined air flow resistances of the individual layers. The masonry from various blocks were used for the research; mineral wool boards of various air permeability were used for thermal insulation and the wind protection layer. After measuring the air resistance of the samples, the air flow resistances of walls of different construction were calculated. This study compared the calculated and measured air permeability values of different wall masonry samples and evaluated the suitability of created calculation method for prediction of the airtightness of insulated block masonry wall.

Suggested Citation

  • Valdemaras Geležiūnas & Karolis Banionis & Raimondas Bliūdžius & Valdas Paukštys & Jurga Kumžienė, 2020. "Analysis of Air Permeability of Insulated Masonry Walls," Energies, MDPI, vol. 13(10), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2654-:d:362081
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    References listed on IDEAS

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    1. Jesús Feijó-Muñoz & Irene Poza-Casado & Roberto Alonso González-Lezcano & Cristina Pardal & Víctor Echarri & Rafael Assiego De Larriva & Jesica Fernández-Agüera & María Jesús Dios-Viéitez & Víctor Jos, 2018. "Methodology for the Study of the Envelope Airtightness of Residential Buildings in Spain: A Case Study," Energies, MDPI, vol. 11(4), pages 1-20, March.
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