Attic staircase
Passivhaus-Bodentreppe mit PH-Anschluss-System

Info
U value calculation

Image of 0817as03: Attic Staircase

Component id:	0817as03
Manufacturer:	Wellhöfer Treppen GmbH & Co. KG
Category:	Attic Staircase
Material:	Timber
`U`_W:	0.48 W/(m² K)
Climate zones:	Cold

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Frame cut	Frame width `b`_f/mm	Frame `U` value `U`_f/(W/(m² K))	Glass edge `Ψ` value `Ψ`_g/(W/(m K))	Temperature factor `f`_Rsi = 0,25 m²K/W
Bottom	62	0.47	0
Lateral	62	0.47	0
Top	62	0.47	0

Installation situation	`bW` =  m
`hW` =  m		Glazing `U`_g  W/(m² K)
	`U`_W = ? W/(m² K) `U`_{W, installed} = ? W/(m² K)

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