ROOF 20 Roof – solid timber construction, rear ventilated: DA05 a 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] 0.151 Sound insulation Rw [dB] 48 Ecology ∆OI3 122 A B D C E 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 Mineral wool flat roof insulation (pitch insulation), e.g. Isover Metac FLP 1 Duratec 0.039 150 A1 C 100 Mineral wool flat roof insulation, e.g. Isover Metac FLP 1 Duratec 0.039 150 A1 D — Sealing sheet (sd ≥ 220 m) — — E E 100 CLT BBS, 5-layered 0.12 450 D Total 32.25 cm 79.70 kg/m² Ecological rating in detail | www.baubook.info/massivholzhandbuch PENRT [MJ/m²] GWP100 total [kg CO2/m²] AP [kg SO2/m²] 1,212 19.3 0.587 Flat roof – solid timber construction, visual quality: DA09 a
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