Colourline 80 High Insulation is the most thermally efficient bifolding door on the UK market. This system easily conforms to the latest building regulations with an achievable U-value of 1.3W/m²K. We incorporate a unique state-of-the-art insulating thermal barrier, which retains more of your heat inside your home helping you to keep your fuel bills under control.

The efficiency of the system does not detract from the modern and stylish look of 80 High Insulation bi folding door. With one of the slimmest sightlines on the market at just 112mm, there really will be nothing to spoil the view! So, whether you’re thinking of replacing an old set of French or patio doors, are looking to remodel a space or extend your home or, perhaps, to enable you to completely open up your property Colourline 80 High Insulation will provide the most thermally efficient solution.

Although the ‘look’ is paramount, security is equally important. We fit police approved high security key cylinders combined with top quality multi-point locks as standard on all master doors. All intermediate doors have concealed steel shootbolts that engage securely. All glass is toughened safety which is internally beaded so cannot be removed from outside the building also helping to enhance your security.

There is nothing more important than security when planning improvements to your home. Colourline take security as seriously as you. We fit high security key cylinders combined with top quality multi point locks as standard on all master panels. In addition, all intermediate panels have concealed stainless steel shootbolts that engage securely into the top and bottom tracks. We also fit a variety of toughened glass sealed units all of which have a soft coat and are argon gas filled. These units can be fitted with integrated blinds and are available in a range of colours.

Weather tightness is achieved through the use of multiple weather seals. High performing double or triple glazed glass sealed units contribute to efficient room temperature control and guard against even the most extreme weather conditions.

Colourline 80 High Insulation doors are handmade to your specification from highly thermally efficient aluminium with attractive rounded edges, available in a finish of your choice from a range of over 200 standard RAL colours available, along with five threshold options, we can create the look that you want making the transition from inside to outside flawless.

Take a look at our gallery to see just some of the many ways the 80 Series could be used to enhance your home.

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