Description

The HD Vent is a shutter style Slotvent, designed to provide background ventilation.

  • Designed to deflect air upwards when open to eliminate issues with draughts when the Slotvent is installed
  • High performing external louvered grille which offers excellent weather protection is provided as an external component
  • Recessed flyscreens provided for over-frame installations
  • Front operation
  • UKAS accreditation
  • Fully accredited and tested
  • The HD Vent has been independently tested at a third-party accredited test house to all of the current British Standards.

Additional information

Colour

White

Height

28.5mm

Length

278mm

Air Permeability @ 50 Pa (m²/hr)

1

Watertightness Pressure @ no leakage (Pa)

600Pa

Watertightness Classification

E4

British Standard

Yes

Fixing

Screw

Brand

Greenwood Vents

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