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AV50 AbVent ventilator

Glidevale AV50 AbVent Ventilator provides unobtrusive high-level ventilation in conjunction with lead roll details on plain tile and slate roofs. It is particularly useful in top edge abutment details where there is limited vertical clearance.

Features & benefits

  • Unobtrusive when installed.
  • Does not affect the normal laying of the roof covering.
  • Optional factory-fitted apron flashing for use with profiled tiles.
  • Guaranteed 5000mm²/m ventilation provision to comply with BS 5250 and Building Regulations
  • Minimum pitch 20°



Range Brochure


Fixing instruction


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For any questions or queries about our product ranges and the technical support services we can offer, please contact us using the form below.

Glidevale Protect is a division of Building Product Design Ltd.

Other subsidiaries include ventilation systems specialist Passivent and Kingfisher Louvres, manufacturer of aluminium louvres systems.

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