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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

floor towards attic (uninhabitable) ddrtxn02b

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 12,5 gypsum plaster board type DF or 0,250 10 800 1,050 A2
A 12,5 gypsum fibre board 0,320 21 1000 1,100 A2
B 19,0 particleboard 0,130 50-100 700 1,700 D
C spruce wood floor joists (80/*); e=* 0,120 50 450 1,600 D
D - variable insulation material
E vapour barrier sd≥ 8m 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]
ddrtxn02b-00 C
D 		220,0
220,0 		spruce wood
mineral wool [040; ≥16; <1000°C] 		300,5 e=625 60 0,20 adequate 48 (-4,-9) 27,51 64,3
ddrtxn02b-01 C
D 		200,0
200,0 		spruce wood
mineral wool [040; ≥16; <1000°C] 		280,5 e=625 60 0,22 adequate 47 (-3,-8) 26,21 62,8
ddrtxn02b-02 C
D 		240,0
240,0 		spruce wood
mineral wool [040; ≥16; <1000°C] 		320,5 e=625 60 0,19 adequate 48 (-3,-8) 28,80 65,9
ddrtxn02b-03 C
D 		220,0
220,0 		spruce wood
mineral wool [035; 50; <1000°C] 		300,5 e=625 60 0,19 adequate 48 (-3,-8) 51,60 70,9
ddrtxn02b-04 C
D 		220,0
220,0 		spruce wood
mineral wool [038; ≥33; ≥1000°C] 		300,5 e=625 60 0,20 adequate 47 (-3,-8) 33,72 67,6
ddrtxn02b-05 C
D 		220,0
220,0 		spruce wood
cellulose fibre [040; E] 		300,5 e=625 60 0,20 adequate 48 (-4,-9) 19,48 71,8
ddrtxn02b-06 C
D 		220,0
220,0 		spruce wood
sheep wool [0,041; R=16] 		300,5 e=625 60 0,22 adequate 47 (-4,-9) 18,21 64,3
ddrtxn02b-07 C
D 		220,0
220,0 		spruce wood
mineral wool [040; ≥16; <1000°C] 		300,5 e=400 60 0,22 adequate 44 (-4,-9) 26,77 71,2

Last update 02.08.2023/hfa.eco2soft