This range of discreet ventilating tiles are suitable for both low and high-level roof space ventilation. Used to combat condensation, as well as mechanical and soil pipe ventilation. They are suitable for use with most popular interlocking concrete tiles and plain tiles. Ventilates to comply with BS 5250:2011, therefore reducing the risk of harmful condensation in the roof Discreet design matches the aesthetics of the roof Excellent weather performance Rigid construction, high quality Complies with BS EN 12056-2:2000 Gravity Drainage System Inside Buildings