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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdrobo01a

flat roof timber frame construction, not ventilated, without dry lining, directly

timber frame construction
Cross-section of standard configuration
timber frame construction
Standard configuration

Note

ATTENTION: Regarding protection against moisture an object-related proof in terms of paramter like e.g. climate, shading class etc. is required. Therfore a hygrothermic simulation is necessary (e.g.WUFI), a simple Glaser calculation ist not allowed.

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 Plastic roofing membrane E
B 25,0 OSB 0,130 200 600 1,700 D
C - variable building material
D mineral wool [040; 33; ≥1000°C] with metal strip to retain the insulation in case of fire (0,63/100 mm; e=500) 0,040 1 33 1,030 A1
E moisture-adaptive vapour retarder E
F 18,0 OSB 0,130 200 600 1,700 D

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]
fdrobo01a-00 C
D 		200,0
200,0 		construction timber (80/..; e=800)
mineral wool [040; 33; ≥1000°C] 		240,0 60 0,21 37 32,60 39,9
fdrobo01a-01 C
D 		240,0
240,0 		construction timber (80/..; e=800)
mineral wool [040; 33; ≥1000°C] 		280,0 60 0,17 38 35,40 42,5
fdrobo01a-02 C
D 		280,0
280,0 		construction timber (80/..; e=800)
mineral wool [040; 33; ≥1000°C] 		320,0 60 0,16 39 37,52 47,8
fdrobo01a-03 C
D 		300,0
300,0 		glued laminated timber (80/300; e=800)
mineral wool [040; 33; ≥1000°C] 		340,0 60 0,15 39 38,88 49,2

Last update 02.08.2023/hfa.eco2soft