Corovent Tile & Slate Cowl Vents

Slate Cowl Vent

Slate Cowl Vent

Corovent Slate Cowl Vents are vents with small and large cowl options available riven to match natural slate or plain, matching man made tiles. 

features

  • Natural slate finish
  • Low profile vents
  • Blocks wind driven rain
  • Reduces felt tearing

ideal for

  • Roof pitches over 20°

guidance

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

Slate Cowl Vent Technical Data

Slate Vent Ventilation Area Airflow Resistance Roof Pitches Water Resistance
 CV10K  10 000mm2  N/A  Over 20° Exceeds all relevant parts of DoE Partners in Technology Programme
 CP10K  10 000mm2
18.5 Pascals @ 30ltr/sec  Over 20°
Exceeds all relevant parts of DoE Partners in Technology Programme
 CV20K  20 000mm2  N/A
 Over 20°
Exceeds all relevant parts of DoE Partners in Technology Programme
 CP20K  20 000mm2
9.5 Pascals @ 30ltr/sec  Over 20°
Exceeds all relevant parts of DoE Partners in Technology Programme


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).

accessories

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