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ASSESSMENT OF NON-VENTILATED AIR GAP IN SLOPING ROOF WITH THERMAL INSULATION ABOVE WOODEN RAFTERS

Jasek, M.; Kubenkova, K.; Stejskalova, K.
Abstract:
When designing a passive house, the emphasis is not only on passive measures consisting mainly of thermal protection and stability of the buildings, but also on the price demand of each of the proposed structures. At present, new construction solutions are often encountered in construction practice [1]. These solutions are not yet tested. The paper deals with energy-efficient buildings in terms of reducing building heat loss. One such solution is to use thermal insulation above wooden rafters. Using the thermal insulation above the rafters eliminates thermal bridges [2]. If the thermal insulation is situated above the wooden rafters in combination with the suspended ceiling construction, a non-ventilated air gap is created. In order to avoid disturbances due to water vapor condensation, a moisture stop must be installed in the roof structure. This vapor-proof membrane must be installed as close as possible to the inner surface of the sloping roof. The paper deals with the assessment of the sloping roof structure with thermal insulation above the rafters with non-ventilated air gap, in terms of building physics.
SGEM Research areas:
Year:
2019
Type of Publication:
In Proceedings
Keywords:
Energy-efficient house; ceiling construction; thermal insulation; a non-ventilated air gap
Volume:
19
SGEM Book title:
19th International Multidisciplinary Scientific GeoConference SGEM 2019
Book number:
6.2
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
25-34
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
30 June - 6 July, 2019
ISBN:
978-619-7408-89-8
ISSN:
1314-2704
Conference:
19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
DOI:
10.5593/sgem2019/6.2/S26.004
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