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Solarlux Highline & Ecoline

Solarlux Aluminium bifold doors

A bifold door capable of reachings heights up to 3.5m

German engineered. Our Solarlux Highline/Ecoline bifold doors have a thin 99mm sightline and a high level of thermal insulation. This makes them one of the best aluminium bifold doors on the market.

Advanced Technology

The sculptured appearance of this brand-new model is made possible by its centrepiece: the bionicTURTLE®; a multi-functional thermal-break which combines various design aspects. It provides the stability of the slender upright profiles as well as accommodating the provisions for the locking mechanism and door furniture.


With U values (Uw) down to 0.80 W/m2K (subject to specification), the Highline is engineered to Passivhaus standard.

Please note that while the Solarlux Highline/Ecoline bifold doors can be specified to Passivhaus standard, it is not Passivhaus Certified. If your project requires certification then these doors may not be suitable.

Your door, your way

Countless possibilities in design, material and colour make the bi-folding glass door a real all-rounder. The Ecoline and Highline aluminium bi-folding doors perfectly match the style of your home.

Click here to compare Solarlux bifold doors

I’d like to find out more information about Solarlux

    Highline & Ecoline

    Aluminium bifold door

    Design your door

    Experience maximum flexibility: opening inwards or outwards, folding to the left and/or right, Solarlux bi-folding doors offer countless opening options. The individual glass elements can be opened or closed almost completely over their entire area in just a few simple steps. Even extremely large glass elements can be moved easily and quietly.

    Ecoline or Highline – which door is right for you?


    • Material: Aluminium
    • Panel up to 3 m high & 1 m wide
    • Sightline 99 mm
    • Uw > 1,1 W/m²K


    • Material: Aluminium
    • Panel up to 3,5 m high & 1,1 m wide
    • Sightline 99 mm
    • Uw > 0,8 W/m²K

    Why Solarlux?

    Solarlux GmbH is one of the world’s leading suppliers of folding glass doors. For nearly 30 years, this family-run company have developed, manufactured and distributed high-performance glazing solutions for both residential and commercial projects.

    Solarlux truly do have the ‘Made in Germany’ stamp on their products. With the state-of-the art production facilities, they have 250 members of staff ensuring every order is produced on time and to order.

    Solarlux Highline/Ecoline Aluminium bifold doors
    • Thermal insulation (in W/m2K)


    Technical Specifications

    Ecoline Technical specification
    Panel sizes up to 3 m high & 1 m wide
    Sightline 99mm
    U Value 1.1 W/m²K
    Highline Techincal Specification
    Panel Sizes up to 3.5 m high & 1.1 m wide 
    Sightline 99mm
    U Value 0,8 W/m²K
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