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Roof Vent mk3

Installation Advice

  • Fit ventilators between each pair of rafters along the full length of the eaves and along both sides of the building to create a cross flow ventilation action
  • The ventilator should be positioned centrally above the wall plate position, this is the narrowest part of the roof where the insualtion is most likely to constrict the air flow
  • Usually a single row of vents will be adequate, however, with shallow pitch roofs, room-in-the-roof applications or where very thick roof insualtion is used extra rows of vents may be required
  • nbs plus
  • riba

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