Rooftop access hatch TOP159

rectangularstainless steelbuilt-in

TopAccess Roof Access Hatch – Top-level insulation for optimal energy performance Key benefits • High-quality insulation: thermal insulation value 0.21 W/m²K for outstanding energy efficiency • Thermally separated design: prevents heat loss and improves energy performance • Durable roof access: maximum safety with KOMO and TÜV certification • Premium materials: stainless-steel construction for long service life Technical specifications • Clear opening (L × W): 1500 × 900 mm • Weight: ± 175 kg • Upstand height (H): 330 mm • Required roof opening: matches the clear opening dimensions • Material: stainless steel (AISI 304, polished) • Insulation: glass fleece-coated, Rc-value 7.22 m²·K/W • Surface treatment: powder-coated • Colour: standard RAL 9010 • Mounting flange: 25 mm, integrated at the base of the upstand Operation • Gas struts for opening and closing; automatic locking in open position • Two-point locking system with Euro profile cylinder (2 keys) • 4 handles Performance • Thermal insulation: U = 0.21 W/m²K (EN ISO 10077-2) • Sound insulation: 23 dB (EN ISO 717-1) • Wind load resistance: 2400 Pa (EN 12211) • Watertightness: 750 Pa (EN 12155) • Snow load resistance: 950 N/m² (EN 1991-1-3) • Impact resistance: 0.35 kNm (EN 1991-1-1) • Air permeability: up to 650 Pa; at 10 Pa: 0.37 m³/h (EN 1026) Installation • To be installed at a roof angle between 3° and 25° • Suitable for all types of roof coverings Certification • KOMO, TÜV Options • Additional interior/exterior colours available on request