Building components- flat roof - fdrobo02a
 
 


Cross-section of standard configuration
[Additional views]

note:
ATTENTION: Regarding protection against moisture an object-related proof in terms of paramter like e.g. climate, shading class etc. is required. Therfore a hygrothermic simulation is necessary (e.g.WUFI), a simple Glaser calculation ist not allowed.


Last update29.08.2017/hfa.plb
flat roof: timber frame construction, not ventilated, without dry lining, directly

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
  Plastic roofing membrane            E
 25.0 OSB   0,130  200  650  1,700   D
*   Exchangeable layer          
*   mineral wool [040; 33]   0,040  33  1,030   A1
  moisture-adaptive vapour retarder            E
 32.0 perforated trapezoidal metal sheet            E
   
               
  Variations of building components

No. Thickness of layer Note Fire performance Thermal performance Acoustic performance Eco Sustainability Mass HTMLPDF
  C* D* Σ   REI U [W/(m²K)] mw,B,A [kg/m²] Diffusion Ln,w(Cl) Rw(C,Ctr) OI3Kon m [kg/m²]   
00   240,0  204,0  294,0  C=finger-jointed solid construction timber (80/240; e=625)  60  0,22  4,5    –  33(,)  23,1  50,8   fdrobo02a-00  
 
01   280,0  238,0  334,0  C=finger-jointed solid construction timber (80/280; e=625)  60  0,19  4,5    –  34(,)  28,5  54,3   fdrobo02a-01  
 
02   300,0  255,0  354,0  C=glued laminated timber (80/300; e=625)  60  0,17  4,5    –  34(,)  36,4  56,0   fdrobo02a-02