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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

internal wall iwrxxo08a

internal wall timber frame construction, without dry lining, wooden surface

timber frame construction
Cross-section of standard configuration
timber frame construction
Standard configuration

Note

The fire resistance is only valid when wall is used as partition with only one side exposed to fire.

Register of building materials used for this application, cross-section (from outside to inside)

Thickness [mm] Building material Thermal performance Reaction to fire­klasse EN
λ μ min – max ρ c
A 19,0 planking profile C 0,120 50 450 1,600
B - variable insulation material
C 160,0 construction timber (60/160; e=625) 0,120 50 450 1,600 D
D 19,0 planking profile C 0,120 50 450 1,600

Variations of building components

Thickness of layer Fire performance Thermal performance Acoustic performance Eco Sustainability Mass
Thickness [mm] Building material Σ REI U [W/(m²K)] Diffusion Rw (C,Ctr) [dB] ΔOI3 m [kg/m²]
iwrxxo08a-00 B 160,0 mineral wool [040; ≥16; <1000°C] 198,0 30 37 (-2,-6) 11,40 26,6
iwrxxo08a-01 B 160,0 Cellulose fibre [040; 50] 198,0 30 38 (-2,-5) 1,80 31,2
iwrxxo08a-02 B 160,0 Wood fibre insulation [039; 50] 198,0 30 37 (-2,-6) 7,23 31,2

Last update 15.06.2025/nu.ge