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Scope

Geprüftes/zugelassenes Bauteil

intermediate floor gdmnxn06-03

intermediate floor solid wood construction, without lining, wet, with filling

Building physical assessment

Fire performance REI 90
maximum span = 5 m; maximum load Ed,fi = 5 kN/m²  
Classified by HFA  
Thermal performance U 0,36 W/(m2K)
Diffusion adequate
Calculated by HFA  
Acoustic performance Rw (C;Ctr) 74 dB (-1; -6)
Ln,w (Cl) 42 dB (-1)
Rating by HFA  
Mass per unit area m 294,4 kg/m2
 
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solid wood construction
Cross-section of standard configuration

Register of building materials used for this application, cross-section (from outside to inside)

Thickness [mm] Building material Thermal performance Reaction to fire­klasse EN
λ μ min – max ρ c
A 60,0 cement screed m' = 150kg/m² 2,300 80-130 2500 1,080 A1
B plastic separation layer (PE) 0,200 100000 1400 1,400 E
C 40,0 impact sound absorbing subflooring MW-T [s'=6MN/m³] 0,035 1 80 1,030 A2
D 80,0 fill (2/4 grain size) unbound (fill set between wooden stacks with 2cm overlap; e=80mm) m' approx. 99 kg/m² 0,700 1 1300 1,000 A1
E trickling protection (construction paper) E
F 160,0 cross laminated timber 5-ply first layer min. 30mm 0,130 50 500 1,600 D

Ecological rating (per m2 construction area)

Database ecoinvent

Built-in renewable materials 75,0 kg
Share of renewable materials of total weight 21,59 %
Global warming potential (GWP-T) -52,925 kgCO2Äqv.
Energy use of Primary Energy 931,4 MJ
Share of renewable Primary Energy 7,0 %
∑ΔOI3 60,5
Calculated by HFA  

Global warming potential Share of renewable Primary Energy Resources
Lifecycle
Phase		 GWP-F
[kgCO2Äqv.]		 GWP-B
[kgCO2Äqv.]		 GWP-T
[kgCO2Äqv.]		 PERE
[MJ]		 PERM
[MJ]		 PERT
[MJ]		 PENRE
[MJ]		 PENRM
[MJ]		 PENRT
[MJ]		 AP
[kgSO2Äqv.]		 EP
[kgPO4Äqv.]		 ODP
[kgR11Äqv.]		 POCP
[kgEthenÄqv.]
A1 - A3 64,310 -117,235 -52,925 65,014 1096,465 1161,479 866,375 30,037 896,412 0,296 0,118 3.9916512E-6 0,100

Last update 15.12.2025/hfa.plb