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Underfloor ventilation

Changing patterns of construction have highlighted the need for effective underfloor ventilation – none more so than the increase of brownfield development sites, which can present unique challenges thanks to hazardous subsoil gases. Our collection of underfloor ventilation products not only meets stringent Buildings Regulations requirements, it also provides protection against the weather and unwanted pests.

Our collection includes

Underfloor & cavity wall vents

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.

Important Notice

Please be vigilant of fraud/cyber crime. If you receive an email from our parent company Building Product Design Ltd, please check that the email address from the sender ends in '' and any phone number given is 0161 905 5700.

If you receive any emails ending in '' or '', these are NOT legitimate, and you should contact us as soon as possible at

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