The HD Vent is a shutter style Slotvent, designed to provide background ventilation in line with current Building Regulation performance as set out in ADF 2010. Available in a range of colours, two sizes provide up to 6800mm² equivalent area airflow performance.

Key Stats;

• Two models available in four configurations for window profile and over-frame installation applications

• For window profiles; 2 models offering 3200 and 6400mm² Equivalent Area (England & Wales)

• For overframe; 2 models offering 3400 and 6800mm² Equivalent Area (England & Wales)

• 4000 and 8000mm² Free Area (Scotland)

• Designed to deflect air upwards when open to eliminate issues with draughts when the Slotvent is installed

• High performing external louvered grille which offer excellent weather protection is provided as external component

• Recessed flyscreens provided for over-frame installations

• Front operation

• Available in white, brown and brilliant white - RAL colours available on request

• 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. Please see performance tab for full air permeability, Watertightness, noise and equivalent area performance information.