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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F08%3A00158663%21RIV10-MSM-21110___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
In the European Standards EN 15026 and EN ISO 13788, moisture transport in building envelopes is assumed one dimensional. In fact, three-dimensional moisture transport occurs due to layer perforation or building assembly details. The article is focused on cases of flat roofs where the vapour barrier is perforated. Water vapour permeability measurement of different vapour barriers with different degrees of perforation is done by the wet-cup method. Results are presented. A significant increase of moisture transport is found through vapour barriers which are perforated. A note on setting the apparatus to measure materials with very high water vapour resistance factor is presented. Finally, based on the results we discussed new recommendations to design more efficient flat roofs and avoid future failures. In the European Standards EN 15026 and EN ISO 13788, moisture transport in building envelopes is assumed one dimensional. In fact, three-dimensional moisture transport occurs due to layer perforation or building assembly details. The article is focused on cases of flat roofs where the vapour barrier is perforated. Water vapour permeability measurement of different vapour barriers with different degrees of perforation is done by the wet-cup method. Results are presented. A significant increase of moisture transport is found through vapour barriers which are perforated. A note on setting the apparatus to measure materials with very high water vapour resistance factor is presented. Finally, based on the results we discussed new recommendations to design more efficient flat roofs and avoid future failures.
dcterms:title
Measurement of Moisture Transport through Perforated Vapour Barriers Measurement of Moisture Transport through Perforated Vapour Barriers
skos:prefLabel
Measurement of Moisture Transport through Perforated Vapour Barriers Measurement of Moisture Transport through Perforated Vapour Barriers
skos:notation
RIV/68407700:21110/08:00158663!RIV10-MSM-21110___
n3:aktivita
n17:Z
n3:aktivity
Z(MSM6840770001)
n3:cisloPeriodika
0
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n12:2048558
n3:druhVysledku
n6:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
378131
n3:idVysledku
RIV/68407700:21110/08:00158663
n3:jazykVysledku
n4:eng
n3:klicovaSlova
envelope; roof; moisture transport; diffusion bridže; water vapour permeability measurement; vapour barrier; perforation
n3:klicoveSlovo
n10:roof n10:moisture%20transport n10:envelope n10:water%20vapour%20permeability%20measurement n10:vapour%20barrier n10:perforation n10:diffusion%20brid%C5%BEe
n3:kodStatuVydavatele
SE - Švédské království
n3:kontrolniKodProRIV
[A6125C4F7E4F]
n3:nazevZdroje
The Nordic Journal of Building Physics
n3:obor
n16:JN
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n9:2008
n3:tvurceVysledku
Šilarová, Šárka
n3:zamer
n11:MSM6840770001
s:issn
1402-5728
s:numberOfPages
8
n15:organizacniJednotka
21110