Type OFV-25 Over Fascia Ventilator Ventilation - Cavity TraysType OFV-25 Over Fascia Ventilator Ventilation - Cavity Trays

Type OFV-25 Over Fascia Ventilator

  • Hidden ventilation at top of fascia.
  • Polypropylene.
  • Colour: Black only.
  • 25,000mm² airflow per running metre.
  • Size: 500mm x 57mm wide x 48mm high.

Alternative entry route for airflow servicing the roof space.


The Type OFV -25 is shaped to permit easy fixing to the top of the fascia board. It has an airflow rating of 25,000mm² per running metre, making it suitable for use with roof pitches below 15 degrees. Over Fascia Ventilators are suitable for new and refurbishment work. They eliminate the need for visible soffit ventilation and can be installed in non-soffit locations. Integral insect screening.

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