Type OFV-25 Over Fascia Vent 25mm Fascia VentilatorType OFV-25 Over Fascia Vent 25mm Fascia Ventilator

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 Over Fascia Ventilator from Cavity Trays is a top-tier building ventilation solution. Designed for easy installation on the top of the fascia board, this ventilator delivers efficient airflow and superior protection for your structure. It’s an upgrade that can significantly enhance your building’s ventilation system.

The Type OFV-25 stands out with its impressive airflow rating of 25,000mm² per running metre. This makes it an ideal choice for buildings with roof pitches below 15 degrees. It ensures optimal ventilation even in low-pitch roof applications, effectively preventing moisture buildup and creating a healthy environment for occupants.

Our Over Fascia Ventilators are suitable for both new constructions and refurbishment projects. They offer a seamless appearance by eliminating the need for visible soffit ventilation. This not only enhances the aesthetic appeal of your building but also offers greater flexibility in design and installation. They can be installed in non-soffit locations, making them a versatile choice for various building projects.

One standout feature of the Type OFV-25 is its integral insect screening. This feature ensures that your building remains protected from insects while allowing for adequate airflow. It’s a thoughtful design element that enhances the functionality of the ventilator while ensuring the comfort of the building’s occupants.

Upgrading your building’s ventilation system with the Type OFV-25 Over Fascia Ventilator from Cavity Trays offers numerous benefits. With its easy installation, impressive airflow rating, and built-in insect screening, it provides an efficient and effective solution for ventilation needs in various building projects.

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