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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

floor towards attic (uninhabitable) ddrtxn04b

floor towards attic (uninhabitable) timber frame construction, not suspended, dry, other surface

timber frame construction
Cross-section of standard configuration
timber frame 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 50,0 Magnesite-bound lightweight wood wool board 0,120 2-5 700 1,400
B 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
C construction timber (80/..; e=*) 0,120 50 450 1,600 D
D - variable insulation material
E vapour barrier sd≥ 2m 1000
F 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
G 25,0 gypsum plaster board type DF (2x12,5 mm) or 0,250 10 800 1,050 A2
G 25,0 gypsum fibre board (2x12,5 mm) 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) [dB] ΔOI3 m [kg/m²]
ddrtxn04b-00 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		343,0 e=625 60 0,18 adequate 44 (-2,-6) 24,35 76,4
ddrtxn04b-01 C
D 		200,0
200,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		323,0 e=625 60 0,20 adequate 43 (-1,-5) 23,06 74,9
ddrtxn04b-02 C
D 		240,0
240,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		373,0 e=625 60 0,17 adequate 44 (-1,-5) 25,64 78,0
ddrtxn04b-03 C
D 		220,0
220,0 		construction timber
mineral wool [035; 50; <1000°C] 		343,0 e=625 60 0,17 adequate 44 (-1,-5) 48,44 82,9
ddrtxn04b-04 C
D 		220,0
220,0 		construction timber
mineral wool [038; ≥33; ≥1000°C] 		343,0 e=625 60 0,18 adequate 43 (-1,-5) 30,57 79,7
ddrtxn04b-05 C
D 		220,0
220,0 		construction timber
cellulose fibre [040; E] 		343,0 e=625 60 0,18 adequate 44 (-2,-6) 16,32 83,9
ddrtxn04b-06 C
D 		220,0
220,0 		construction timber
sheep wool [0,041; R=16] 		343,0 e=625 60 0,20 adequate 43 (-3,-7) 15,05 76,4
ddrtxn04b-07 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		343,0 e=400 60 0,20 adequate 40 (-3,-7) 23,61 84,1

Last update 02.08.2023/hfa.eco2soft