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Regional validity

Scope

solid wood construction
Cross-section of standard configuration

solid wood construction
Standard configuration

Note

Attention: REI 90 (from inside) in Germany possible with 2x12,5mm gypsum plaster board type DF/gypsum fibre board

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 7,0 plaster 1,000 10-35 2000 1,130 A1
B 60,0 wood-fibre insulation board [045; 190] 0,045 5-7 190 2,100 E
C 300,0 Light composite wood-based beams (I-beams) with solid wood flanges (60/45) and hard board intermediate web (≥ 6,7) e=625 0,400 20-30 800 1,700 D
D - variable insulation material
E cross laminated timber ≥ 94,0; at least 3-layers, top layer at least 30 mm 0,130 50 500 1,600 D
F 70,0 spruce wood Battens on resilient clips (60/60; e=625) 0,120 50 450 1,600 D
G - variable insulation material
H 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
H 12,5 gypsum fibre board 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) OI3Kon m [kg/m²]
awmopi03a-00 D
E
G
300,0
94,0
50,0
cellulose fibre [040; 50]
cross laminated timber
cellulose fibre [040; 50]
553,5 90 from inside 0,09 adequate 63 (-2,-7) 15,10 108,2
awmopi03a-01 D
E
G
300,0
94,0
50,0
Wood fibre insulation [039; 45]
cross laminated timber
Wood fibre insulation [039; 45]
553,5 90 from inside 0,09 adequate 63 (-2,-7) 17,00 106,4
awmopi03a-02 D
E
G
300,0
94,0
50,0
mineral wool [034; 18; <1000°C]
cross laminated timber
mineral wool [034; 18; <1000°C]
553,5 90 from inside 0,08 adequate 63 (-2,-7) 28,60 97,1

Last update 23.08.2017/hfa.plb