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• Insulation
  1. Pitched Roofing Insulation
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VELUX Wind Deflector For Auto Smoke Vent Windows 134mm x 140mm U08

VELUX Wind Deflector For Auto Smoke Vent Windows 134mm x 140mm U08

For Compliance To Aerodynamic Smoke Ventilation Requirements

VELUX windows and wind deflectors have been tested for:

Operational reliability of the window including use for comfort ventilation.
Aerodynamically effective opening area determining the rate of smoke and heat exhaust ventilation.
Opening reliability with a snow load on the window.
Stability and the ability to operate even after exposure to a wind suction.
Low ambient temperature testing to determine the reliability of the system at low winter temperatures.
Heat resistance to determine the resistance of the window to heat from fire.

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