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 | 0,19 W/(m2K) |
Diffusion | adequate | |
Calculated by TUM
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Acoustic performance | Rw (C;Ctr) | 41 dB (-1; -6) |
Ln,w (Cl) | ||
Rating by Müller-BBM
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Mass per unit area | m | 105,0 kg/m2 |
Datenblatt pitched roof
sdmhbo02-00 (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 | 180,0 | construction timber (80/..; e=800) | 0,120 | 50 | 450 | 1,600 | D |
G | 180,0 | 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 | 38,8 |
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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 | -109,283 | 0,242 | 0,102 | 3,55e-6 | 0,017 | 57,870 | 1485,967 | 1543,837 | 708,639 | 33,300 | 741,939 |
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 | -124,559 | 0,161 | 0,027 | 3,95e-6 | 0,030 | 425,787 | 1788,961 | 2215,474 | 698,083 | 80,891 | 778,413 |
C1 - C4 | 172,723 | 0,005 | 0,006 | 2,56e-7 | 0,001 | 1,003 | -1659,512 | -1658,509 | 22,606 | -0,119 | 22,487 |
A1 - C4 | 48,165 | 0,166 | 0,033 | 4,20e-6 | 0,030 | 426,791 | 129,449 | 556,965 | 720,689 | 80,772 | 800,900 |
Last update 07.05.2020/hfa.plb