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Regional validity

Scope

Geprüftes/zugelassenes Bauteil

flat roof fdrobo02a

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] 0,040 1 33 1,030 A1
E moisture-adaptive vapour retarder E
F 32,0 perforated trapezoidal metal sheet E

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]
fdrobo02a-00 C
D 		240,0
204,0 		construction timber (80/240; e=625)
mineral wool [040; 33; ≥1000°C] 		294,0 60 0,22 33 47,01 50,8
fdrobo02a-01 C
D 		280,0
238,0 		construction timber (80/280; e=625)
mineral wool [040; 33; ≥1000°C] 		334,0 60 0,19 34 50,83 54,3
fdrobo02a-02 C
D 		300,0
255,0 		glued laminated timber (80/300; e=625)
mineral wool [040; 33; ≥1000°C] 		354,0 60 0,17 34 51,81 56,0

Last update 02.08.2023/hfa.eco2soft