pitched roof solid wood construction, ventilated, without dry lining, without lining
Fire performance | REI | 30 |
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maximum span = 5 m; maximum load Ed,fi = 5 kN/m² (without roof structure)
Classified by HFA
Fire performance Germany
Classification: REI30
Load Ed,fi according to the German certification document
Proof: manufacturer-specific
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Thermal performance | U | 0,15 W/(m2K) |
Diffusion | adequate | |
Calculated by TUM
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Acoustic performance | Rw (C;Ctr) | 43 dB (-1; -6) |
Ln,w (Cl) | ||
Rating by Müller-BBM
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Mass per unit area | m | 110,4 kg/m2 |
Datenblatt pitched roof
sdmhbo02-02 (pdf, 250 KB)
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.
Thickness [mm] | Building material | Thermal performance | Reaction to fire | ||||
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λ | μ min – max | ρ | c | ||||
A | sheet metal roofing on structured separation layer | 7800 | A1 | ||||
B | 24,0 | spruce wood formwork | 0,120 | 50 | 450 | 1,600 | D |
C | 80,0 | spruce wood counter battens (40/80) | 0,120 | 50 | 450 | 1,600 | D |
D | 0,5 | sarking membrane sd ≤ 0,3m | 1000 | E | |||
E | 24,0 | planking spruce wood full formwork | 0,120 | 50 | 450 | 1,600 | D |
F | 240,0 | construction timber (80/..; e=800) | 0,120 | 50 | 450 | 1,600 | D |
G | 240,0 | Cellulose fibre [040; 50] | 0,040 | 1 | 50 | 2,000 | E |
H | 0,2 | sealing sheet (air tight) | |||||
I | 120,0 | cross laminated timber | 0,130 | 50 | 500 | 1,600 | D |
ΔOI3 | 40,1 |
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Calculated by HFA
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Resources | |||||||||||
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Lifecycle Phase |
GWP [kg CO2 Äqv.] |
AP [kg SO2 Äqv.] |
EP [kg PO4 Äqv.] |
ODP [kg R11 Äqv.] |
POCP [kg Ethen Äqv.] |
PERE [MJ] |
PERM [MJ] |
PERT [MJ] |
PENRE [MJ] |
PENRM [MJ] |
PENRT [MJ] |
A1 - A3 | -115,851 | 0,253 | 0,107 | 3,71e-6 | 0,018 | 61,942 | 1562,185 | 1624,127 | 734,430 | 33,300 | 767,730 |
Resources | |||||||||||
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Lifecycle Phase |
GWP [kg CO2 Äqv.] |
AP [kg SO2 Äqv.] |
EP [kg PO4 Äqv.] |
ODP [kg R11 Äqv.] |
POCP [kg Ethen Äqv.] |
PERE [MJ] |
PERM [MJ] |
PERT [MJ] |
PENRE [MJ] |
PENRM [MJ] |
PENRT [MJ] |
A1 - A3 | -134,382 | 0,168 | 0,029 | 4,07e-6 | 0,031 | 445,296 | 1897,534 | 2343,874 | 717,039 | 80,931 | 797,447 |
C1 - C4 | 183,744 | 0,006 | 0,008 | 2,71e-7 | 0,001 | 1,062 | -1724,853 | -1723,791 | 24,635 | -0,159 | 24,476 |
A1 - C4 | 49,362 | 0,174 | 0,036 | 4,34e-6 | 0,032 | 446,358 | 172,681 | 620,084 | 741,674 | 80,772 | 821,923 |
Last update 07.05.2020/hfa.plb