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Regional validity

Scope

solid wood construction
Cross-section of standard configuration
solid wood construction
Standard configuration

Note


Cross laminated timer: thickness ≥ 95mm; 5-ply at least, surface layer at least 19mm

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 - variable building material
A - variable building material
B solid glued wood (e.g. cross laminated timer) 0,130 50 500 1,600 D
C - variable building material
D solid glued wood (e.g. cross laminated timer) 0,130 50 500 1,600 D
E - variable building material
F - variable insulation material
G - variable building material
G - variable building material

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) [dB] ΔOI3 m [kg/m²]
twmxxo01a-00 A
A
B
C
D
E
F
G
G
12,5
12,5
95,0
30,0
95,0
50,0
50,0
12,5
12,5
gypsum plaster board type DF
gypsum fibre board
solid glued wood
impact sound absorbing subflooring MW-T
solid glued wood
spruce wood
mineral wool [040; ≥16; <1000°C]
gypsum plaster board type DF
gypsum fibre board
295,0 E: battens (50/40) on resilient clips 90 0,27 adequate 62 47,35 119,8
twmxxo01a-01 A
A
B
C
D
E
F
G
G
12,5
12,5
95,0
30,0
95,0
50,0
50,0
12,5
12,5
gypsum plaster board type DF
gypsum fibre board
solid glued wood
impact sound absorbing subflooring MW-T
solid glued wood
spruce wood
mineral wool [041; 27; ≥1000°C]
gypsum plaster board type DF
gypsum fibre board
295,0 E: battens (50/40) on resilient clips 90 0,27 adequate 60 47,66 120,6
twmxxo01a-02 A
A
B
C
D
E
F
G
G


95,0
60,0
80,0
50,0
100,0
12,5
12,5
without gypsum board lining
without gypsum board lining
solid glued wood
mineral wool [0,35; ≥20; <1000^C]
solid glued wood
metal profile CW 50
mineral wool [040; 13; <1000°C]
gypsum plaster board type DF
gypsum fibre board
F: 75mm mineral wool, 25mm air layer 60 0,20 adequate 67 (-3,-9) 44,86 100,3
twmxxo01a-03 A
A
B
C
D
E
F
G
G


100,0
60,0
100,0
60,0
60,0
12,5
12,5
without gypsum board lining
without gypsum board lining
solid glued wood
mineral wool [0,35; ≥20; <1000^C]
solid glued wood
spruce wood
mineral wool [040; 13; <1000°C]
gypsum plaster board type DF
gypsum fibre board
60 0,21 adequate 58 (-1,-7) 44,46 114,5

Last update 02.08.2023/nu.ge