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Regional validity

Scope

timber frame construction
Cross-section of standard configuration

Note

The design of the under-roof construction and of the counter-battens have to be specified according to the roof pitch and the national requirements.

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 15,0 or tiled roof 2000 A1
B 30,0 spruce wood battens (30/50) 0,120 50 450 1,600 D
C 50,0 spruce wood counter battens (minimum height 50 mm) 0,120 50 450 1,600 D
D sarking membrane sd ≤ 0,3m 1000 E
E 24,0 planking spruce wood closed cladding without spacing of cladding boards 0,120 50 450 1,600 D
F 260,0 construction timber (80/..; e=800) 0,120 50 450 1,600 D
G - variable insulation material
H 19,0 (sealed with airtight tape) 0,120 50-150 475 1,600 D
I vapour barrier sd≥ 6m 1000
J 100,0 spruce wood cross battens (50/80;a=400) 0,120 50 450 1,600 D
K 100,0 sheep wool [040; 30] 0,040 1 30 1,720 E
L 25,0 gypsum plaster board type DF (2x12,5 mm) or 0,250 10 800 1,050 A2
L 25,0 gypsum fibre board (2x12,5 mm) 0,320 21 1000 1,100 A2

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]
sdrhzi12b-00 G 260,0 Cellulose fibre [038; 50] 60 0,12 adequate 52 (-2,-8) 26,32 106,5
sdrhzi12b-01 G 260,0 sheep wool [040; 30] 60 0,12 adequate 52 (-2,-8) 29,80 105,2

Last update 05.08.2024/hfa.plb