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Ridge ventilators

We pride ourselves on our ability to offer a one-stop-stop for roof ventilation solutions: whether you want to cover the widest number of applications with the lowest number of references, or match an exact colour and profile for a heritage project, we can help. Our in-line ridge ventilators are designed to provide a discreet and aesthetic solution to high-level roof space ventilation at ridge level. Our unique, fully aluminium, dry fix ventilation system for ridges and hips, offers a quick and easy installation that allows for an uninterrupted airflow.

Click here for details of our 15 year product warranty for roofing underlays and ventilation used as a system with solar applications.

Our collection includes

In-line® slate, tile and ridge ventilators

Protect Fulmetal RediRoll universal ridge/hip roll system

Protect Fulmetal UniRoll universal ventilated dry ridge/hip roll system (with unions)

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Contact us today to discover more about our extensive range of building product solutions and the technical support services we can offer.

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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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