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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

floor towards attic (uninhabitable) ddmxxi02a

floor towards attic (uninhabitable) solid wood construction, not suspended, dry, other surface

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

Register of building materials used for this application, cross-section (from top to bottom)

Thickness [mm] Building material Thermal performance Reaction to fire­klasse EN
λ μ min – max ρ c
A 300,0 mineral wool [040; 130; ≥1000°C] 0,040 1 130 1,030 A1
B foil (air tight)
C 125,0 cross laminated timber ≥ 125mm; 5-ply at least, surface layer at least 27,5 0,130 50 500 1,600 D
D 80,0 spruce wood battens (50/80; e=400) 0,120 50 450 1,600 D
E 80,0 mineral wool [040; 20] 0,040 1 20 1,030 A2
F - variable building material

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) [dB] ΔOI3 m [kg/m²]
ddmxxi02a-00 F 12,5 gypsum plaster board type DF / gypsum fibre board 517,5 60 0,10 adequate 46 130,45 116,2
ddmxxi02a-01 F 19,0 3-ply solid wood panel 524,0 60 0,09 adequate 44 134,72 115,7

Last update 02.08.2023/hfa.eco2soft