Building components- flat roof - fdrhbi01a-03
 
 


Cross-section of standard configuration
[Additional views]

last update01.09.2014/hfa.plb
Data sheet

flat roof: timber frame construction, ventilated, with dry lining


Performance rating

Fire protection performance  REI 30 
maximum span = 5 m; maximum load Ed,fi = 3,66 kN/mē
Classified by IBS
 
Thermal performance U [W/(m²K)] 0,15 
Diffusion adequate 
mw,B,A [kg/m²] 17,2 
Calculated by HFA
 
Acoustic performance Rw (C;Ctr)   51 (-2;-7)
Ln,w (Cl)  – 
Assessed by TGM
 
Sustainability* OI3Kon 7,0 
Calculated by IBO
 
   
  Register of building materials used for this application, cross-section
(from top to bottom, dimensions in mm)

  Thickness Building material  λ   μ min - max   ρ   c  Reaction to fire
EN
  sheet metal roofing or plastic roofing membrane      7800     A1
 24,0 spruce wood closed cladding without spacing of cladding boards  0,130  50  500  1,600   D
 80,0 spruce wood counter battens (ventilation)  0,130  50  500  1,600   D
  sarking membrane sd ≤ 0,3m       1000     E
 22,0 softboard [045; 250]   0,045  250  2,100   E
 240,0 finger-jointed solid construction timber (80/*; e=800)  0,130  50  500  1,600   D
 240,0 glass wool [0,0040; R=16]   0,040  16  1,030   A1
  vapour barrier sd≥ 2m       1000     
 50,0 spruce wood cross battens (50/80;a=400)  0,130  50  500  1,600   D
 50,0 glass wool [0,0040; R=16] or without insulation in type 01  0,040  16  1,030   A1
 12,5 gypsum fibre board or  0,320  21  1000  1,100   A2
 12,5 gypsum plasterboards with improved properties at high temperatures (fire)   0,250  10  800  1,050   A2


* Details of sustainability rating

GWP
[kg CO2 Äqv.]
AP
[kg SO2 Äqv.]
PEI ne
[MJ]
PEI e
[MJ]
EP
[kg PO4 Äqv.]
POCP
[kg C2H4 Äqv.]
-35,6 0,236 532,5 817,2 0,028 0,011


* Mass per unit area

m
[kg/m²]
calculation based on
37,1 gypsum fibre board