Building components- floor towards attic (uninhabitable) - ddmxxi01a
 
 


Cross-section of standard configuration
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Last update23.03.2017/hfa.plb
floor towards attic (uninhabitable): solid wood construction, not suspended, dry

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
 300.0 wood-fibre insulation board [0,045; R=160] pressure-resistant  0,045  5 - 7  160  2,100   E
  foil (air tight)            
 125.0 cross laminated timber ≥ 125mm; 5-ply at least, surface layer at least 27,5  0,130  50  500  1,600   D
 80.0 spruce wood battens (50/80; e=400)  0,120  50  450  1,600   D
 80.0 Wood fibre insulation [039; 45]   0,039  1 - 2  45  2,100   E
*   Exchangeable layer          
   
               
  Variations of building components

No. Thickness of layer Note Fire performance Thermal performance Acoustic performance Eco Sustainability Mass HTMLPDF
  F* Σ   REI U [W/(m²K)] mw,B,A [kg/m²] Diffusion Ln,w(Cl) Rw(C,Ctr) OI3Kon m [kg/m²]   
00   13,0  517,5  F=gypsum plasterboards with improved properties at high temperatures (fire)/Gypsum fibre board  60  0,10  14,1  adequate  –  46(,)  22,1  127,0   ddmxxi01a-00  
 
01   19,0  524,0  F=3-ply solid wood panel  60  0,10  17,0  adequate  –  44(,)  23,3  126,5   ddmxxi01a-01