dataholz.eu
Regional validity

Scope

Geprüftes/zugelassenes Bauteil

floor towards attic (uninhabitable) ddrtxn04a

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

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 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]
ddrtxn04a-00 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		330,5 e=625 30 0,18 adequate 43 (-2,-6) 22,03 66,4
ddrtxn04a-01 C
D 		200,0
200,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		310,5 e=625 30 0,20 adequate 42 (-1,-5) 20,74 64,9
ddrtxn04a-02 C
D 		240,0
240,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		350,5 e=625 30 0,17 adequate 43 (-1,-5) 23,32 68,0
ddrtxn04a-03 C
D 		220,0
220,0 		construction timber
mineral wool [035; 50; <1000°C] 		330,5 e=625 30 0,17 adequate 43 (-1,-5) 46,12 72,9
ddrtxn04a-04 C
D 		220,0
220,0 		construction timber
mineral wool [038; ≥33; ≥1000°C] 		330,5 e=625 30 0,18 adequate 42 (-1,-5) 28,25 69,7
ddrtxn04a-05 C
D 		220,0
220,0 		construction timber
cellulose fibre [040; E] 		330,5 e=625 30 0,18 adequate 43 (-2,-6) 14,00 73,9
ddrtxn04a-06 C
D 		220,0
220,0 		construction timber
sheep wool [0,041; R=16] 		330,5 e=625 30 0,20 adequate 42 (-3,-7) 12,73 66,4
ddrtxn04a-07 C
D 		220,0
220,0 		construction timber
mineral wool [040; ≥16; <1000°C] 		330,5 e=400 30 0,20 adequate 39 (-3,-7) 21,29 74,1

Last update 02.08.2023/nu.ge