IntroductionThe 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.
Alternative entry route for airflow servicing the roof space.
- Colour: Black only.
- 25,000mm2 airflow per running metre.
- Size: 500mm x 57mm wide x 48mm high.
- For roof pitches below 15 degrees.