dataholz.eu
Regional validity

Scope

Geprüftes/zugelassenes Bauteil

internal wall iwrxxo11a

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

timber frame construction
Cross-section of 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 16,0 Kronospan OSB-Firestop 0,110 150-170 660 1,700 B
B construction timber (60/..; e=625) 0,120 50 450 1,600 D
C - variable insulation material
D 16,0 Kronospan OSB-Firestop 0,110 150-170 660 1,700 B

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]
iwrxxo11a-00 B
C 		120,0
120,0 		construction timber (60/..; e=625)
mineral wool [038; ≥33; ≥1000°C] 		45 19,21
iwrxxo11a-01 B
C 		140,0
140,0 		construction timber (60/..; e=625)
mineral wool [038; ≥33; ≥1000°C] 		60 21,12
iwrxxo11a-02 B
C 		120,0
120,0 		construction timber (60/..; e=625)
Cellulose fibre [040; 50] 		30 11,54

Source: KRONOSPAN OSB, spol. s r. o.

Last update 02.08.2023/hfa.eco2soft