Corovent Tile & Slate Cowl Vents

Economy Slate Vent

Economy Tile Vent

The Economy Slate Vent provides a discreet, efficient and cost effective ventilation option for slate roofs.


  • Durable, injection moulded polypropylene vent
  • Matt grey finish

ideal for

  • Roof pitches over 20° 


Full installation details are available on request from the Technical Department.

Economy Slate Vent Technical Data

Slate Vent Ventilation Area Airflow Resistance Roof Pitches Water Resistance
 HV1/HV2 7 200mm2 20 Pascals @ 30ltr/sec Over 20° Exceeds all relevant parts DoE Partners in Technology Programme

* HP1/HP2 with attached spigot to connect to 110mm flexible house (provided) 

Installation: Cowl or Roofline Vents for Slate Roof

  1. Complete roofing to one course below the position for the slate vent.
  2. Hold vent in position as centrally as possible between the rafters and mark where the vent spigot touches the underlay. For 500mm x 250mm slates only - cut and remove section of batten.
  3. Cut underlay in a cross, fold up and back, nail over battens.
  4. Cut slates for next course below vent. 
  5. Fit slate vent and nail to batten.
  6. Cut slates for next course (not for 600mm x 300mm roofline vents).


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