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Attic Staircases

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Search	Type	Material	`U`_W	Climate zones	Location/Avaliability	Date certified	Open type
Component Manufacturers
Passivhaus-Bodentreppe mit PH-Anschluss-System Wellhöfer Treppen GmbH & Co. KG	Attic Staircase	Timber	0.48 W/(m²K)	Cold	Germany (DE)	Mar 2015
Feuerschutz-Passivhaus-Bodentreppe mit Anschluss-System Wellhöfer Treppen GmbH & Co. KG	Attic Staircase	Timber	0.45 W/(m²K)	Cold	Germany (DE)	Apr 2017
LWT FAKRO Sp.z.o.o.	Attic Staircase	Timber	0.51 W/(m²K)	Cool, temperate	Poland (PL)	Nov 2015
Designo Roto Frank Treppen GmbH	Attic Staircase	Timber	0.63 W/(m²K)	Cool, temperate	Germany (DE)	Mar 2017
KLIMATEC 160 WIPPRO GmbH	Attic Staircase	Timber / Aluminium	0.34 W/(m²K)	Arctic	Austria (AT)	Dec 2015