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Air Gap Method: Dependence of water removal on RH in room and height of floor air gap
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology.ORCID iD: 0000-0001-7073-2600
2012 (English)In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 56, 1-7 p.Article in journal (Refereed) Published
Abstract [en]

This study is performed in combined floor and wall constructions with air gaps within and with a heating cable in the vertical air gap. All surfaces of the air gap are covered with polystyrene plastic to avoid leakage into the construction. Wet gypsum boards that are weighed at start and end of experiment are used to measure the dry out process.Three different heights of the floor air gap, 25 mm, 15 mm and 5 mm are investigated. The influences of the RH in the surrounding room and of the wetness of the gypsum boards are also investigated.It is shown that the height of the floor air gap has a great impact on the rate of drying. The optimal height is less than 25 mm and somewhere between 15 and 5 mm.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 56, 1-7 p.
Keyword [en]
Ventilated cavity, Air gap, Heating cable, Water damage, Air flow, Relative humidity
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:kth:diva-102867DOI: 10.1016/j.buildenv.2012.02.014ISI: 000305315700001Scopus ID: 2-s2.0-84858804457OAI: oai:DiVA.org:kth-102867DiVA: diva2:557146
Note

QC 20120927

Available from: 2012-09-27 Created: 2012-09-27 Last updated: 2017-12-07Bibliographically approved
In thesis
1. Air Gap Method: Air-Gaps in Building Construction to avoid Dampness & Mould
Open this publication in new window or tab >>Air Gap Method: Air-Gaps in Building Construction to avoid Dampness & Mould
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. 55 p.
Keyword
humidity, air gaps, water damage, convection, building, construction
National Category
Natural Sciences
Identifiers
urn:nbn:se:kth:diva-102873 (URN)978-91-7501-485-2 (ISBN)
Public defence
2012-10-12, B 1, Brinellvägen 23, KTH, Stockholm, 13:00 (Swedish)
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Supervisors
Note

QC 20120928

Available from: 2012-09-28 Created: 2012-09-27 Last updated: 2012-09-28Bibliographically approved

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