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Underfloor & cavity wall vents

A range of underfloor, through wall and cavity wall ventilation products to prevent the build-up of moisture and condensation and provide protection against driving rain, birds, rodents and large insects.

Features & benefits

  • Airbricks and weep vents available in Terracota, Buff and Anthracite.
  • Driving and deluge rain resistant.
  • Injection moulded components.
  • Interconnectivity of the products enable a wide range of solutions to be realised.



Product Brochure


Fixing instruction


BIM Objects

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NBS Specifications

Have a question?

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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