Timloc Black 10mm Airflow Over Fascia Vent Strip 1m (OF1BL)

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.