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Unterdeck- und Unterspannbahn Wütop Trio Strong

Manufacturer Würth Handelsges.m.b.H.
Product group(s) Roof & facade membranes made of plastic
Product images
Manufacturer's product description Die zuverlässige Dachunterspannbahn mit 2 integrierten Klebestreifen

Entspricht den Anforderungen der ÖNORM B4119 für die Ausführung „Regensicheres Unterdach!“.
Unterdeckbahn UD Type I gem. ÖNORM B 3661-2:2026
Details Show detailed information from baubook
Platforms Vorarlberg WBF klimaaktiv Kriterien Niederösterreich WBF ÖkoBauKriterien wohngsund
Product Index 9352 ao
Dimensions
Thickness 0.08 cm
Dimensions (description) 1,5m x 50m
Building physics values
Lambda 0.23 W/(m·K)
μ Vapour diffusion resistance factor
The water vapour diffusion resistance (μ value) is a parameter to determine the exchange of moisture of a construction material. The lower the μ value, the easier it is for vapour to penetrate a substance.

Definition: Ratio of the vapour diffusion coefficients of the air and that of the relevant substance.

Proof: Manufacturer information
 287.5
sd 0.15 m
ρ density
Density (ρ)

For solid materials, the nominal density is specified.

For bulk materials consisting of granular solids, the bulk density is specified.

For vegetation substrates, the bulk density in the dry state is specified.


Proof: Manufacturer information
 220 kg/m³
Usability
Combustibility class E
Retailer
Timeline
Sep 14, 2026 Last update / change with baubook quality assurance
Dec 10, 2014 First declaration

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