flat roof solid wood construction, not ventilated, without dry lining, suspended
| Thickness [mm] | Building material | Thermal performance | Reaction to fireklasse EN | ||||
|---|---|---|---|---|---|---|---|
| λ | μ min – max | ρ | c | ||||
| A | 160,0 | wooden grating/wooden terrace mounted on adjustable feet on a sound-insulated base | 0,130 | 50 | 500 | 1,600 | D |
| B | 50,0 | gravel between the levelling feet | 0,700 | 1 | 1800 | 1,000 | A1 |
| C | separation nonwoven | ||||||
| D | sealing sheet sd≥ 100m eg EPDM | ||||||
| E | (sliding/separating layer) | ||||||
| F | 30,0 | impact sound absorbing subflooring MW-T [s' = 40MN/m³] | 0,040 | 1 | 160 | 0,840 | A2 |
| G | - variable insulation material laid on a slope | ||||||
| H | sealing sheet e.g. bitumen | ||||||
| I | 150,0 | cross laminated timber 5-ply (first layer min. 40mm) | 0,130 | 50 | 500 | 1,600 | D |
| J | 80,0 | acoustic hanger sound-decoupled (suspension with suspension profile); e=500 | |||||
| K | 30,0 | sheep wool [040; 30] | 0,040 | 1 | 30 | 1,720 | E |
| L | 25,0 | gypsum plaster board type DF 2x12,5mm or | 0,250 | 10 | 800 | 1,050 | A2 |
| L | 25,0 | gypsum fibre board 2x12,5mm | 0,320 | 21 | 1000 | 1,100 | A2 |
| Thickness of layer | Fire performance | Thermal performance | Acoustic performance | Eco Sustainability | Mass | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thickness [mm] | Building material | Σ | REI | U [W/(m²K)] | Diffusion | Rw (C,Ctr) [dB] | ΔOI3 | m [kg/m²] | ||
Last update 05.08.2024/hfa.plb