Tightness of Single-Family Buildings Made in Prefabricated Wood Frame Technology

Artur Nowoświat, Iwona Pokorska-Silva and Mateusz Konewecki
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Artur Nowoświat: Faculty of Civil Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Iwona Pokorska-Silva: Faculty of Civil Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Mateusz Konewecki: Wolf System Sp. z o.o., 41-100 Siemianowice Śląskie, Poland

Energies, 2021, vol. 14, issue 15, 1-14

Abstract: The overall objective of the study is to determine the influence of various factors on the tightness of frame-based buildings. The study presents airtightness tests—Blow Doors Tests of single-family residential buildings made in the prefabricated wood frame technology. Primarily, the impact of selected quantitative and qualitative parameters on the determined quantity n 50 was defined. For that purpose, correlation analyses were performed and the statistical hypothesis stating that there is no statistically significant linear relationship between n 50 (a multiplication factor of air exchange in the building effected by pressure difference of 50 Pa) and the specified qualitative and quantitative parameters was verified. The hypothesis was verified using the F and χ 2 statistics. The studies demonstrated that there are no grounds to reject the research hypothesis. The obtained results formulate a comprehensive conclusion that allows to test the tightness of buildings made in the prefabricated wood frame technology and makes the tightness results independent of many features of the examined building. Ultimately, the tightness results are only dependent on the leak of the examined object. They do not depend on roof structure, wall system, floor area, cubature, number of window openings, porch.

Keywords: building tightness; blow door; prefabricated wood frame technology (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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