Window Manifestation – Building regulations explained

Glass is such a versatile building material that is utilised in pretty much every home, workplace and public building project.  Accidents caused by collisions with large expanses of glass often have devastating effects. Consequently window manifestation regulations are in place which you can find in approved documents  – building regulations part K – to prevent these kind of incidents from happening. Chiefly these comprise of the application of window manifestations to ensure large areas of glass panels are visible. In straightforward terms this means putting visible designs – known as window manifestations on to the glass to stop people colliding with it.


Glass provides an almost invisible, thermal barrier. As well as excluding sound it creates a security divide between interior or exterior areas. Internal as well as external architecture creates endless opportunities to feature glass in the built environment. Additionally technical advances in glass manufacture have created safer and easier to use larger, stronger items of glass building materials.

Window manifestation regulations on glass areas offers a chance to add innovative interior design or branding features to an otherwise blank canvas. Vinyl window film is available in limitless designs starting with basic geometric styles which are a common way to fulfil building regulations.

Designs for Window Manifestation

As vinyl graphics are fast simple and affordable to produce, choices are endless. Simple, single colour geometric designs are the most basic option for window manifestation to fulfil building regulations.


Custom sizes will fit any space. However custom designs are an opportunity to create a more interesting, design led interiors in offices and other commercial environments.

Custom cut decals can range from small logos, custom printed designs, frosted window film or full size vinyl wraps. These obscure the glass completely to provide privacy, for example in internal meeting rooms or from the gaze of the outside world.

Colour and clever design can transform interiors from dull to dramatic. Discover innovative designs for window manifestations and get some inspiration from our Pinterest boards. We’ve collected some great examples of interiors where window manifestations have really made a statement.

Where to find window manifestations regulations

The rules for applying window manifestations comply with building regulations. Their primary aim is to ensure safety and prevent accidents. The exact specifications for these regulations, which state when and where window manifestations are necessary are found here – Approved Document K: Protection from falling collision and impact.

It’s a great read! Alternative  save yourself some time and take a look at our infographic which explains exactly what you need to know.

Window manifestation regulations infographic

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