Efficient and durable primary roof ventilator supplied in convenient 1m lengths.
An over fascia vent is used when the fascia board is fitted in the ends of the rafters, creating a situation where ventilation can only be positioned over the top of the board. OF1 provides ventilation equivalent to a continuous 10mm opening (10,000mm²) and is used to ventilate pitched roofs of 15°> and the roof void is uninhabited loft or attic space.
Uses:
Free Airflow | Length | Colour | Product Code |
---|---|---|---|
10,000mm² | 1m | Black | OF1BL |