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Regional validity

Scope

solid wood construction
Cross-section of standard configuration

solid wood 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 fire­
λ μ min – max ρ c
A gypsum plaster board type DF (2x... mm) or 0,250 10 800 1,050 A2
A gypsum fibre board (2x...mm) 0,320 21 1000 1,100 A2
B solid wood (e.g. cross laminated timer: thickness ≥ 78mm; 3-ply at least, surface layer at least 25mm) 0,130 50 500 1,600 D
C gypsum plaster board type DF (2x...mm) or 0,250 10 800 1,050 A2
C gypsum fibre board (2x...mm) 0,320 21 1000 1,100 A2

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) ΔOI3 m [kg/m²]
iwmxxo01b-00 A
A
B
C
C
25,0
25,0
78,0
25,0
25,0
gypsum fibre board
gypsum plaster board type DF
solid wood
gypsum plaster board type DF
gypsum fibre board
128,0 90 38 (-2,-5) 22,84 79,0

Last update 07.05.2020/hfa.plb