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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 - variable building material
B solid wood (e.g. cross laminated timber) 0,130 50 500 1,600 D
C impact sound absorbing subflooring MW-T 0,035 1 68 1,030 A1
D solid wood (e.g. cross laminated timber) 0,130 50 500 1,600 D
E - 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) OI3Kon m [kg/m²]
twmxxo03a-00 A
B
C
D
E
12,5
78,0
30,0
78,0
12,5
gypsum plaster board type DF / gypsum fibre board
solid wood
impact sound absorbing subflooring MW-T
solid wood
gypsum plaster board type DF / gypsum fibre board
211,0 A/E=12,5 60 0,38 adequate 56 -8,60 119,5
twmxxo03a-01 A
B
C
D
E
12,5
78,0
60,0
78,0
12,5
gypsum plaster board type DF / gypsum fibre board
solid wood
impact sound absorbing subflooring MW-T
solid wood
gypsum plaster board type DF / gypsum fibre board
241,0 C=2x30 mm, A/E=12,5 60 0,29 adequate 60 -0,10 121,6
twmxxo03a-02 A
B
C
D
E

94,0
30,0
94,0
without gypsum board lining
solid wood
impact sound absorbing subflooring MW-T
solid wood
without gypsum board lining
218,0 A/E= without gypsum board lining 60 0,39 adequate 48 -6,20 97,0

Last update 22.06.2017/hfa.plb