Flatroof access with concertina stair Ecco

Technical features:

• Energielabel

  
  - Component: 0.40 W/m²K*
  - Top cover: 0,77 W/m²K*
  - Bottom cover: 0,68 W/m²K*
  * calculated by manufacturer according to DIN EN ISO 6946

• Energy efficiency

  
  - Air permeability Class 4
  * certified by IFT Rosenheim according to DIN EN 12207 / 12114
  - Circumferential seal (triple)
  - Thermal insulation in the covers
  - climate-sealing-system

• 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
  - Impermeable to driving rain (Class E1200)
  - Stop as standard on the right

• Hatchbox / Hatchcover

  
  - Side customer-provided insulation max. 40 mm
  - white
  - Water repellent and treated with fungicide
  - incl. additional treads in the hatchbox
  - Closure: 4-point locking
  - Flush ceiling installation possible
  - Closure flush without draw hooks
  - Installation allowance: 2 cm
  - climate-sealing-system

• Stairs

  
  - Aluminium retractable stairways
  - Treads: 28-33, 8 cm deep (profile treads)
  - Load bearing 150 kg
  - We always deliver the maximum possible tread width

• Ready-to-install

  with standard accessories
  - Mounting screws
  - Operating rod with square shaft
  - Snap on cover strips in white