Case study of water vapour transmission properties of EPDM façade membranes

• Autorzy: Ambroziak Andrzej , Dobrowolski Sławomir

Identyfikatory

DOI

10.24425/ace.2021.138499

Warianty tytułu

PL

Właściwości dyfuzyjne fasadowych membran EPDM

• Języki publikacji: EN

Abstrakty

EN

This research aimed to investigate the water vapour transmission properties of chosen EPDM membranes applied in façade and window systems under laboratory tests. The applied procedure included in national and international standards utilized for the laboratory tests of water vapour transmission properties of EPDM membrane is described. Two main types (outside and inside types) of EPDM membranes are laboratory tested. The authors indicated that the EPDM membranes should differ in surface factures. Nevertheless, some manufacturers mark EPDM membranes on each roll (on the package only) without different permanent denotations on the EPDM membranes surfaces. This form of denotations can cause using problems - using the wrong types of the EPDM aprons in building partitions, because when the package is removed there is impossible to visually identify the type of EPDM membrane (outside or inside type) from the texture of the membrane surface. The experimental results of laboratory tests indicated using the wrong type of EPDM membrane in the inside aprons in building partitions in the investigated façade window system. The designed proportion of the sd values (the resistance to movement of water vapour) of inside and out-side EPDM façade membranes should be designed equally to about 3.0 (recommended value 4) to provide proper diffusion properties of partitions around windows in façade systems. The paper can provide scientists, engineers, and designers an experimental basis in the field of the EPDM membranes water vapour transmission properties applied to façades and windows systems.

PL

Celem badań było określenie właściwości przepuszczalności pary wodnej wybranych membran elewacyjnych EPDM stosowanych w systemach fasadowych i okiennych w ramach testów laboratoryjnych. Omówiono zastosowaną procedurę zawartą w normach krajowych i międzynarodowych stosowanych do badań laboratoryjnych właściwości przepuszczalności pary wodnej membrany EPDM. Dwa główne typy (zewnętrzne i wewnętrzne) membran EPDM zostały poddane badaniom laboratoryjnym. Proces określania właściwości przepuszczalności pary wodnej dla membran EPDM jest długotrwałym badaniem laboratoryjnym. Projektowana proporcja wartości sd (oporu na ruch pary wodnej) wewnętrznych i zewnętrznych membran elewacyjnych EPDM powinna być równa około 3,0 (zalecana wartość 4), aby zapewnić odpowiednie właściwości dyfuzyjne przegród wokół okien w systemach elewacyjnych. Eksperymentalne wyniki badań laboratoryjnych wskazały na zastosowanie niewłaściwego rodzaju membrany EPDM w fartuchach wewnętrznych przegród budowlanych w badanym systemie okien fasadowych. Autorzy mają nadzieję, że opisane testy laboratoryjne wzbudzą żywe zainteresowanie środowiska inżynierów i naukowców, aby uwzględnić tematykę właściwości przepuszczalności pary wodnej membran EPDM stosowanych w systemach elewacjach i okiennych.

Słowa kluczowe

EN

façade membrane; EPDM; water vapour transmission; moisture resistance; resistance factor

PL

membrana elewacyjna; EPDM; przepuszczalność pary wodnej; odporność na wilgoć; współczynnik oporu

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2021
• Tom: Vol. 67, nr 4
• Strony: 273--285
• Opis fizyczny: Bibliogr. 47 poz., il., tab.

Twórcy

autor

Ambroziak Andrzej

• GUT, Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Gdańsk, Poland

• https://orcid.org/0000-0002-7735-7863

autor

Dobrowolski Sławomir

• Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Gdańsk, Poland

• https://orcid.org/0000-0003-4209-1679

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