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In accordance with the Privacy and Electronic Communications Regulations 2011; all website owners must identify what cookies are in use and for what purpose.

What is a cookie?

A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. These cookies allow us to distinguish you from other users of our website, which helps us to provide you with a good experience when you browse our website and allows us to improve our site.

The cookies we use are required for the operation of our website. They include, for example, cookie that enable you to log into secure areas of our website, use a shopping cart or make use of e-billing services, Analytical/performance cookies allowing us to recognise and count the number of visitors and to see how visitors move around our site when they are using it. This helps us to improve the way our website works, for example by ensuring that users are finding what they are looking for easily. This enables us to personalise our content for you, greet you by name and remember your preferences. We also use Targeting cookies which record your visit to or website, the pages you have visited and the links you have followed. We will use this information to make our website and the advertising displayed on it more relevant to your interests. We may also share this information with third parties for this purpose.

Please note that third parties (including, for example, advertising networks and providers of external services like web traffic analysis services) may also use cookies, over which we have no control. These cookies are likely to be analytical/performance cookies or targeting cookies.

Can you opt-out of using cookies?

You can block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.

Except for essential cookies, all cookies will expire after 30 days.

Instructions on how to opt out are below for the most popular browsers. Please note that if you disable cookies it may prevent our site from performing to its full potential and also from being able to purchase through the shopping cart.

Internet Explorer:

Select Tools, click Internet Options, Select the Privacy tab, under settings there is a slider which can be adjusted (Top blocks Cookies – Bottom allows them).

Mozilla Firefox:

Click the Firefox button, Select Options, Click on the Privacy tab and place a tick in the box to block cookies.

Google Chrome:

Click Menu (3 lines icon in top right of screen), select settings, Click Show Advanced Settings, Under Privacy – select Content Settings to make a choice.

Safari (Mac OS):

Click Safari, choose preferences, click on the Privacy tab and choose block cookies.

Our site uses the following cookies for the following reasons:

Cookie Reason
cookie-banner When you close the cookie banner this cookie is set in order to hide it
_ga[a-z] Cookies prefixed with __ga are part of Google Analytics

Talk to us

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

Get in touch

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.

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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