Flat roof windows
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CSJ 1211, ISJ--

VELUX staircase smoke exhaust and exit

From €XXX.XX excl. VAT

For roof pitch 0-15°

A simple flat roof solution for staircases that offers automatic smoke exhaust and an additional roof exit. Available in 2- or 3-layer acrylic or polycarbonate dome skins and with an electrical and smooth opening function up to 85°.

  • Daily comfort ventilation with purchase of control switch
  • Free cross-section of min. 1,0 m²
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Prices and sizes

Go to the price table or download the brochure to find the exact price of your solution.

Looking for more details?

The price and size of this window solution depends on the combination you choose. Use the link to the the price table or download the price brochure, and combine a base and a top unit that fit your needs.
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Product details

  • Acrylic- or polycarbonate dome skins in opaque surface provides diffused daylight, improving the light needed for working.

    2-layer dome skins

    2 layer dome is suitable for uninhabited rooms. Available in acrylic or polycarbonate.     		 

    3-layer dome skins

    3 layer dome for more insulation in uninhabited rooms. Available in acrylic or polycarbonate.
     Dome 2 layer glass    Dome 3 layers glass

  • Comes with smoke exhaust PVC base unit. With purchase of the control unit and wall switch, the dome can be operated via the wall switch for daily ventilation & better indoor comfort. With the opening function of up to 85°, the Staircase smoke exhaust & exit dome provides an extra access to the roof e.g. for maintenance.

     Base unit

     

  • Smoke sensors, control system and break glass units to be purchased separately.

    Control unit

    For operation of up to four flat roof smoke exhaust domes. Choose between 2 control units to operated 1 or 2 flat roof windows.
    KFC 210 or KFC 220

    Smoke detector

    For early fire detection.
    KFA 100
     Control unit Smoke detector

     
        

    Break glass point

    For activating the smoke exhaust function.
    KFK 100

     
     Brake glass point

  • Securing kit

    Frame fixing kit for secure mechanical fixation of the roofing material to the window frame.
    ZZZ 210J

    		  

    Lining

    Lining for flat roof. This all-in-one solution includes PVC panels, vapour barrier and facings.
    LSF 2000
       
     Securing kit   Dome installation lining

    Wall switch

    For daily comfort ventilation.
    KFK 200 

     

      

    		    
    Wall switch