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Specification documents

You can access our library of specification documents here, helping you better understand our product range including the benefits our solutions can bring and how and where they should be specified.

Acoustic air transfer unit

Controls

Hybrid ventilation

Mechanical extract ventilation

Natural daylight

Roof ventilation terminals

Window and wall ventilators

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Contact us today to discover more about our extensive range of natural and hybrid ventilation products and the technical support services we can offer.

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Passivent is a division of Building Product Design Ltd.

Other subsidiaries include Glidevale Protect, a specialist in ventilation solutions, condensation control and energy efficiency across the built environment and Kingfisher Louvres, manufacturer of aluminium louvre systems.

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