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 metre, making it suitable for use with roof pitches of 15 degrees and below. 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 rating.
- Size: 500mm x 57mm wide x 48mm high.