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Regional validity

Scope

solid wood construction
Cross-section of standard configuration

solid wood construction
Standard configuration

Note

Cross laminated timer
Var. 00-01: thickness ≥ 78mm; 3-ply at least, surface layer at least 25mm
Var. 02: thickness ≥ 94,0mm; 3-ply at least, surface layer at least 30mm

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 0,250 10 800 1,050 A2
A gypsum fibre board 0,320 21 1000 1,100 A2
B 80,0 cross laminated timber 0,130 50 500 1,600 D
C - variable building material
D - variable building material
E 80,0 cross laminated timber 0,130 50 500 1,600 D
F gypsum plaster board type DF (2x12,5) or 0,250 10 800 1,050 A2
F gypsum fibre board (2x12,5) 0,320 21 1000 1,100 A2

Variations of building components

Thickness of layer Note 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]
twmxxo07b-00 A
A
C
D
F
F
12,5
12,5
60,0

25,0
25,0
gypsum plaster board type DF
gypsum fibre board
mineral wool [0,35; ≥20; <1000^C]

gypsum plaster board type DF
gypsum fibre board
60 0,29 adequate 59 (-3,-9) 39,02 107,2
twmxxo07b-01 A
A
C
D
F
F
25,0
25,0
60,0
20,0
25,0
25,0
gypsum plaster board type DF
gypsum fibre board

air layer
gypsum plaster board type DF
gypsum fibre board
A and F: 2x12,5mm gypsum fibre board or gypsum plaster board type DF 60 0,28 adequate 64 (-4,-10) 56,42 121,4
twmxxo07b-02 A
A
C
D
F
F
25,0
25,0
40,0

25,0
25,0
gypsum plaster board type DF
gypsum fibre board
mineral wool [0,35; ≥20; <1000^C]

gypsum plaster board type DF
gypsum fibre board
A and F: 2x12,5mm gypsum fibre board or gypsum plaster board type DF 60 0,35 adequate 61 (-5,-10) 42,74 116,8
twmxxo07b-03 A
A
C
D
F
F
25,0
25,0
80,0

25,0
25,0
gypsum plaster board type DF
gypsum fibre board
mineral wool [0,35; ≥20; <1000^C]

gypsum plaster board type DF
gypsum fibre board
A and F: 2x12,5mm gypsum fibre board or gypsum plaster board type DF 60 0,25 adequate 64 (-3,-8) 46,58 117,6

Last update 31.05.2022/hfa.plb