ROOF 4 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 The assemblies shown were rated by accredited testing institutes on behalf of binderholz and Saint-Gobain Rigips Austria. 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] 0.131 Sound insulation Rw [dB] 54 Ecology ∆OI3 53 Steep roof – solid timber construction, visual surface quality, rear ventilated: DA01 b A B D E C F G 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 Concrete roofing tiles — 2,100 A1 B 30 Wooden battens (30/50) 0.13 475 D C 50 Wooden counter battens (min 50 mm) 0.13 475 D D 22 Under-ceiling board, wood fibre insulation panel 0.05 250 E E 240 Wood fibre insulation panel 0.04 110 E F — Sealing sheet — — E G 100 CLT BBS, 5-layered 0.12 450 D Total 49.20 cm 136.18 kg/m² Ecological rating in detail | www.baubook.info/massivholzhandbuch PENRT [MJ/m²] GWP100 total [kg CO2/m²] AP [kg SO2/m²] 909 -67.6 0.257
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