Cowl ventilator range* (concrete / clay)
Free vent area: 3,000mm2
Spacing at high level (5,000 mm2 per m): 0.56 m intervals
Available to suit
- Bold Roll
- Calderdale
- Double Pantile
- Double Roman
- Lindum
- Shire
- Standard Pattern
- Old English
- Arcadia
- Neo Pantile
- County
- Greenwood
- Cassius
- Rivius
- Olympus
Low pitch cowl ventilator range
Free vent area: 7,500 mm2
Spacing at low level (10,000 mm2) 0.75 m intervals
Spacing at high level (5,000 mm2) 1.5 m intervals
Available to suit
- Actua
- Double Pantile
- Double Roman
- Calderdale
- FD
- Romulus
Minimum roof pitch: 15° or as recommended for tile
