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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Sejong (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) Chang, Yoon-Seong (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) Park, Joo-Saeng (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science) Shim, Kug-Bo (Division of Wood Engineering, Department of Forest Products, National Institute of Forest Science)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제45권 제6호
발행연도
2017.1
수록면
828 - 835 (8page)

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Airtightness of buildings is one of critical aspects of its energy performance. To build up references of airtightness of wooden houses built in Korea, blower door tests have been carried out in 42 houses since 2006. Causes of air leakage were investigated recently. The average value of air change rate was $3.7h^{-1}$ for light frame house and $5.5h^{-1}$ for post-beam construction at ACH50 (air change per hour at 50 Pa air pressure difference). Foam type insulation was more advantageous in ensuring building airtightness than glass fiber batt. Airtightness of wooden houses which were constructed after 2010 was improved to have less than $1.5h^{-1}$ of ACH50, threshold for application of artificial air change. The average air change rate of CLT (cross laminated timber) houses showed the lowest value, $1.1h^{-1}$, among the tested structures.

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