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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

floor towards attic (uninhabitable) ddrtxn03a

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 24,0 planking spruce wood 0,120 50 450 1,600 D
B wind barrier 1000
C construction timber (80/..; e=*) 0,120 50 450 1,600 D
D - variable insulation material
E 18,0 OSB (sealed with airtight tape) 0,130 200 600 1,700 D
F 24,0 spruce wood cladding with spacing of cladding boards(24/100); a=400 0,120 50 450 1,600 D
G 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
G 12,5 gypsum fibre board 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]
ddrtxn03a-00 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		298,5 e=625 30 0,20 adequate 42 (-3,-7) 21,45 54,0
ddrtxn03a-01 C
D 		200,0
200,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		278,5 e=625 30 0,21 adequate 41 (-2,-6) 20,16 52,4
ddrtxn03a-02 C
D 		240,0
240,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		318,5 e=625 30 0,18 adequate 42 (-2,-6) 22,75 55,6
ddrtxn03a-03 C
D 		220,0
220,0 		construction timber
mineral wool [035; 50; <1000°C] 		298,5 e=625 30 0,18 adequate 42 (-2,-6) 45,54 60,5
ddrtxn03a-04 C
D 		220,0
220,0 		construction timber
mineral wool [038; ≥33; ≥1000°C] 		298,5 e=625 30 0,20 adequate 41 (-2,-6) 27,67 57,3
ddrtxn03a-05 C
D 		220,0
220,0 		construction timber
cellulose fibre [040; E] 		298,5 e=625 30 0,20 adequate 42 (-3,-7) 13,42 61,5
ddrtxn03a-06 C
D 		220,0
220,0 		construction timber
sheep wool [0,041; R=16] 		298,5 e=625 30 0,21 adequate 41 (-3,-7) 12,15 54,0
ddrtxn03a-07 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		298,5 e=400 30 0,22 adequate 38 (-3,-7) 20,71 61,7

Last update 02.08.2023/hfa.eco2soft