Building components- flat roof - fdrhbi01a-01
 
 


Cross-section of standard configuration
[Additional views]

last update08.08.2014/hfa.sp
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)] 0,20 
Diffusion adequate 
mw,B,A [kg/m²] 18,8 
Calculated by HFA
 
Acoustic performance Rw (C;Ctr)   48 (-3;-8)
Ln,w (Cl)  – 
Assessed by TGM
 
Sustainability* OI3Kon 1,8 
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
 200,0 finger-jointed solid construction timber (80/*; e=800)  0,130  50  500  1,600   D
 200,0 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
  without insulation           
 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.]
-35,4 0,214 466,5 772,0 0,025 0,010


* Mass per unit area

m
[kg/m²]
calculation based on
33,9 gypsum fibre board