Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 110 z 288

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Various mounting variants are documented a fire protection survey.70 Plates (min.55 Veneer timber 480 0.00 Wooden panels made plywood 450 0.70 Solid wood 290 0. The long screws drill deep into the cross-section the wooden beam, ensuring secure hold the mounted support systems, despite burn- ing.70 ≥ 450 0.90 Plywood 450 1.90 Burn rates various wooden components TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 110 Chapter The external lightning protection system . mm) Wood panelling 450 0.Wood screws with suitable steel cross-section and sufficient setting depth are used, taking burning rates into account.80 Hardwood Solid wood laminated timber ≥ 290 0. Wood type Structure Characteristic density [kg/m³] Burn rate [mm/min] Pine and beech Laminated timber 290 0