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Regional validity

Scope

timber frame construction
Cross-section of standard configuration

timber frame construction
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 fire­
λ μ min – max ρ c
A concrete roof tile or tiled roof 2100 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 22,0 planking spruce wood full formwork 0,120 50 450 1,600 D
F construction timber (80/..; e=800) 0,120 50 450 1,600 D
G mineral wool [038; ≥33; ≥1000°C] 0,038 1 33 1,030 A1
H vapour barrier sd≥ 11m 1000
I 19,0 planking profile C 0,120 50 450 1,600

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) ΔOI3 m [kg/m²]
sdrhzo03a-00 F
G
220,0
220,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
341,0 30 0,19 adequate 47 (-3,-10) 31,84 81,8
sdrhzo03a-01 F
G
240,0
240,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
361,0 30 0,17 adequate 48 (-3,-10) 33,90 83,3
sdrhzo03a-02 F
G
280,0
280,0
construction timber
mineral wool [038; ≥33; ≥1000°C]
401,0 30 0,15 adequate 49 (-3,-10) 38,02 86,3

Last update 07.05.2020/hfa.plb