These vents help to avoid excessive airflow resistance and prevent the ingress of birds and large insects.

When introduced into existing unventilated soffit boards in refurbishment projects, the circular soffit vent will permit entry of air into the roof-space. They are easily fitted into predrilled 70mm diameter holes. Standard flyscreen conforms to regulation requirements.


Airflow: 2,500mm2 airflow per vent (varies according to spacing).
10,000mm2 per metre at 250mm centres.
Base diameter: 80mm.
Hole size: 70mm.
Height: 16mm.
Material: polypropylene.
Colour: white,black,brown