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EN 13420:2011

Windows - Behaviour between different climates - Test method

Edition date: 2022-06-14
In Force
Summary: La présente norme européenne spécifie les méthodes d’essai permettant d’évaluer : - les risques de pourrissement des fenêtres ouvrantes et fixes se composant de divers matériaux du fait d’une accumulation accrue d‘humidité par suite de la condensation ou de la diffusion de vapeur d’eau ; - l’influence d’une déformation sur les performances de base des fenêtres ouvrantes et fixes réalisées dans divers matériaux exposés à différents climats entre leurs faces externes et internes. Il faut distinguer trois modes opératoires d’essai qui prennent en compte des cas différents de mise en charge. - Mode opératoire 1 : Pour les conceptions à faible résistance à la diffusion de vapeur d’eau (normalement des conceptions avec trous d’égalisation de la pression de vapeur d’eau) ; ce mode opératoire d’essai doit s’appliquer aux sections transversales où le risque résulte de l’accumulation d’humidité par suite de la condensation entre le capotage et le bois (voir annexe A (informative), Figure A.1). - Mode opératoire 2.1 et 2.2 : Pour les conceptions à résistance élevée à la diffusion de vapeur d’eau (normalement des conceptions sans trous d’égalisation de vapeur d’eau) ; ce mode opératoire d’essai doit s’appliquer aux sections transversales où le risque résulte de la condensation due à l’humidité entre la surface du profilé intérieur et la surface intérieure du profilé extérieur ayant une diffusion de vapeur différente (voir l’annexe A (informative), Figures A.2 et A.3). - Mode opératoire 3 : Pour les conceptions sensibles à la déformation ; ce mode opératoire doit s’appliquer aux points des sections transversales où elles réagissent au fonctionnement du fait d’une déformation résultant de la charge climatique. La présente norme européenne définit les procédures d’essais qui doivent être utilisées en fonction du risque potentiel lié à la conception.

Diese Europäische Norm legt die Prüfverfahren fest zur Beurteilung - der Risiken der Beschädigung sowohl von Fenstern, die zu öffnen sind, als auch von Fenstern mit einer starren Verglasung, die aus verschiedenen Werkstoffen hergestellt sind, durch erhöhte Feuchtigkeits-anreicherung infolge Kondensation oder Wasserdampfdiffusion; - des Einflusses von Verformung auf die grundlegenden Leistungsmerkmale sowohl von Fenstern, die zu öffnen sind, als auch von Fenstern mit einer starren Verglasung, die aus verschiedenen Werkstoffen hergestellt sind, unter Belastung durch unterschiedliche Klimate zwischen den Außen- und Innenflächen. Drei Prüfverfahren sind zu unterscheiden. Diese berücksichtigen verschiedene Belastungsfälle. - Prüfverfahren 1: Für diffusionsoffene Konstruktionen (üblicherweise Konstruktionen mit Öffnungen zum Wasserdampfausgleich); das Prüfverfahren ist bei Querschnitten anzuwenden, bei denen eine Gefährdung durch eine Feuchtigkeitsanreicherung infolge der Kondensation von Feuchtigkeit zwischen Beplankung und Holz gegeben ist (siehe Anhang A (informativ), Bild A.1). - Prüfverfahren 2.1 und 2.2: Für diffusionsbehinderte Konstruktionen (üblicherweise Konstruktionen ohne Öffnungen zum Wasserdampfausgleich); das Prüfverfahren ist bei Querschnitten anzuwenden, bei denen eine Gefährdung durch Kondensierung der Feuchtigkeit zwischen der Fläche des Innenprofils und der Innenfläche des Außenprofils infolge der unterschiedlichen Wasserdampfdiffusion gegeben ist (siehe Anhang A (informativ), Bilder A.2 und A.3). - Prüfverfahren 3: Für verformungsgefährdete Konstruktionen; das Prüfverfahren ist bei Querschnitten anzuwenden, bei denen eine Gefährdung der Funktion durch Verformung infolge Klimabelastung gegeben ist. In dieser Europäischen Norm werden die Prüfverfahren, die abhängig von den Risiken der jeweiligen Konstruktion anzuwenden sind, festgelegt. Diese Europäische Norm gilt für Erstprüfungen, d. h. bei Konstruktionsentwicklungen bzw. -änderungen. Sie gilt nicht für die routinemäßige Qualitätskontrolle und auch nicht für bewährte Konstruktionen. ANMERKUNG Konstruktionsbeispiele sind in Anhang A (informativ) enthalten. Anhang B (normativ) ist die Zusammenstellung allgemeiner Konstruktionskriterien, bei denen Prüfungen nicht erforderlich sind.

This European Standard specifies the test methods for evaluating: - the risks of decay of openable and fixed windows manufactured of different materials through increased moisture accumulation as a result of condensation or water vapour diffusion; - the influence of deformation on basic performances of openable and fixed windows manufactured of different materials exposed to different climates between their external and internal faces. Three test methods are to be differentiated. They take into account different cases of loadings. - Test method 1: For designs with low resistance to water vapour diffusion (normally designs with water vapour equalization holes); the test procedure is to be used for cross-sections where the danger is given by the moisture accumulation as a result of the condensation of moisture between the planking and the timber (see Annex A (informative), Figure A.1). - Test method 2.1 and 2.2: For designs with high resistance to water vapour diffusion (normally designs without water vapour equalization holes); the test procedure is to be used for cross-sections where the danger is given by the condensation of the moisture between the surface of the inner profile and the inner surface of the outer profile by having a different water vapour diffusion (see Annex A (informative), Figures A.2 and A.3). - Test method 3: For designs being sensitive to deformation; the test procedure is to be used for cross-sections where they are sensitive to the function through deformation as a result of climatic loading. This European Standard defines the test procedures which are to be used in dependence of the potential risk of the design. This European Standard is relevant to initial type testing, i. e. to developments or changes in designs. It is not relevant to routine quality control or to proven designs. NOTE Designs are included in Annex A (informative). Annex B (normative) is the survey of general design criteria where tests are not necessary.
ICS: 91.060.50-Doors and windows
CTN: CEN/TC 33 - 6017

Reemplazo Normas

Reemplaza a ENV 13420:2000

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