Technical Features:

• Energy label
  - Component: 0.43 W/m²K*
  - Bottom cover: 0.80 W/m²K*
  - Top cover: 0.68 W/m²K*
  * calculated by manufacturer according to DIN EN ISO 6946
• Energy efficiency
  - Air permeability Class 4 certified*
  * certified by IFT Rosenheim according to DIN EN 12207 / 12114
  - Circumferential seal (triple)
  - Thermal insulation in the covers
• Upper cover
  - Metal flashing with galvanised sheet steel
  - Closure: bar lock
  - Prepared for customer-provided profile cylinder
  - Edge glued for protection against weather
  - incl. rubber hollow profile seal (double) with contact lip for roof membrane
  - Side customer-provided insulation max. 40 mm
  - Impermeable to driving rain (Class E1200)
• Hatchbox / hatch cover
  - Water repellent and treated with fungicide
  - Including additional treads in the hatchbox
  - Snap-lock bottom closure
  - Installation allowance: 2 cm
• Stairs
  - Folding wooden stairway
  - Treads: 25 - 33. 8 cm deep
  - Load bearing 150 kg per tread
  - Adjustable inclination
• Ready-to-install with standard accessories
  - Handrail
  - Protective cap feet
  - Operating pole
  - Cover strips, wood natural