Smooth leading edge for fitting on the top of fascia to ensure constant air flow into roof space between fascia board and felt. Suited to new builds and refurbishments. Allows constant 10mm² air flow.

Suitable for all kinds of vent ducting from waste pipes to bathroom fans. Allows a 10,000mm² air flow per unit providing an unobtrusive, economical, high or low level roof vent. UV-stabilised, durable polypropylene. Insect Screen Supplied

No need to buy expensive, bespoke profiled fillers. Flexible, self-adjusting fingers fill gaps when used with profiled tiles. Prevents entry of birds and large insects.