ROOF 11 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 90 max. width l = 4 m; max. load (q fi, d ) = 6.95 [kN/m²] Heat insulation U [W/m²K] 0.114 Sound insulation Rw [dB] 43 Ecology ∆OI3 73 A C B D G E F H 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 2.5 Fabric-reinforced plastic welded sheeting (> 1.7 kg/m²) — 680 E B 120 Expanded polystyrol (pitch insulation) 0.032 30 E C 100 Expanded polystyrol 0.038 30 E D — Sealing sheet (sd ≥ 220 m) — — E E 100 CLT BBS, 5-layered 0.12 450 D F 60 Wooden battens (60/60; e = 625) directly bolted on 0.13 475 D G 50 Mineral wool, e.g. Isover ULTIMATE UKF-034 twin 0.034 21 A1 H 30 Rigips RF fire protection board* (2 x 15 mm) 0.25 800 A2 Total 41.25 cm 81.09 kg/m² Ecological rating in detail | www.baubook.info/massivholzhandbuch PENRT [MJ/m²] GWP100 total [kg CO2/m²] AP [kg SO2/m²] 1,294 -15.1 0.246 Flat roof – solid timber construction, suspended: DA05 c
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