VELUX Smoke exhaust dome
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CSJ  1210, ISJ--

Staircase smoke exhaust

From £XXX incl. VAT

For roof pitch 0-15°

A simple flat roof solution for staircases that in case of fire opens automatically 50 cm to let out smoke. Available in 2- or 3-layer acrylic or polycarbonate offering daylight and ventilation.

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

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Product details

The steps below will guide you through your product options.

Step 1 - Choose a top unit

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.

VELUX dome, 2 layer glass

3-layer dome skins

3 layer dome for more insulation in uninhabited rooms. Available in acrylic or polycarbonate.

 

Dome 3 layers glass

Step 2 - Base unit

Comes with smoke exhaust PVC base unit that can open up to 50 cm. With purchase of the control unit and wall switch, the dome can be operated via the wall switch for daily ventilation or can open automatically to effectively let out smoke. Smoke detector and break glass points are  available. PVC base unit is also available in 30 centimeters .

Base unit

Step 3 - Smoke exhaust accessories

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.
KFC 100J
Control unit

Smoke detector

For early fire detection.
KFA 100


Break glass point

For activating the smoke exhaust function.
KFK 100-104

Brake glass point

Step 4 - Possible installation add-ons


Fall through grid

Ensures safe working conditions on the roof.
ZCJ 257

VELUX Dome, Fall through grid

Securing kit

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

Lining

Lining for flat roof. This all-in-one solution includes PVC panels, vapour barrier and facings.
LSF 2000
VELUX dome, lining

Wall switch

For daily comfort ventilation.
KFK 200


Wall switch

Unsure of what product to choose?

Sizes and prices

Windows are available in the following sizes (W x H)



120x120

Code Description

120120

Top unit
 ISJ  0102 2-layer acrylic dome skin  
 ISJ  0103 3-layer acrylic dome skin  
 ISJ  0112 2-layer polycarbonate dome skin  
 ISJ  0113 3-layer polycarbonate dome skin  
Base unit
 CSJ  1210 Vented base unit 30 cm  
Installation accessories
 ZZZ 210J Securing kit for roofing material  
 ZCJ 257 Fall-through protection grid  
 KFC 100J Control unit (4,8 A)  for operation of up to 4 staircase smoke exhaust domes  
 KFA 100 Smoke detector  
 KFK 200 Wall switch  
 KFK 100-104 Break glass point  
 LSF 2000 Lining for flat roof  
All prices are incl. VAT.

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