ROOF 17 Classification by IBS – Institut für Brandschutztechnik und Sicherheitsforschung [Institute for Fire Protection Technology and Safety Research], A-4020 Linz Calculation by IBO – Österreichisches Institut für Bauen und Ökologie [Austrian Institute for Construction and Ecology], A-1090 Vienna Rated by ift Rosenheim – Schallschutzzentrum [Sound Insulation Centre], D-83026 Rosenheim and respectively Holzforschung Austria, A-1030 Vienna Calculation by IBO – Österreichisches Institut für Bauen und Ökologie [Austrian Institute for Construction and Ecology], A-1090 Vienna *Equal fire resistance and sound insulation when using Rigidur H gypsum fibre boards or Riduro wooden building slabs. The assemblies shown were rated by accredited testing institutes on behalf of binderholz and Saint-Gobain Rigips Austria. Roof – solid timber construction, rear ventilated: DA05 c Building physical and ecological rating Fire protection REI i o 30 max. width l = 4 m; max. load (q fi, d ) = 6.95 [kN/m²] Heat insulation U [W/m²K] 0.135 Sound insulation Rw [dB] 55 Ecology ∆OI3 87 A B D G C E F Building material specifications for construction, layer structure | from the inside to the outside Thickness [mm] Building material Heat conductivity [W / (m · K)] Gross density [kg / m³] Flammability class EN 13501-1 A 50 Gravel 0.7 1,500 A1 B 2.5 Fabric-reinforced plastic welded sheeting (> 1.7 kg/m²) — 680 E C 120 Expanded polystyrol (pitch insulation) 0.032 30 E D 100 Expanded polystyrol 0.038 30 E E — Sealing sheet (sd ≥ 220 m) — — E F 100 CLT BBS, 5-layered 0.12 450 D G 12.5 Rigips RF fire protection board* 0.25 800 A2 Total 38.50 cm 138.30 kg/m² Ecological rating in detail | www.baubook.info/massivholzhandbuch PENRT [MJ/m²] GWP100 total [kg CO2/m²] AP [kg SO2/m²] 1,391 11.2 0.287 Flat roof – solid timber construction: DA06 g
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