Glas-Faltwand Highline aus Aluminium geöffnet
Highline bi-folding door
Slender sight profiles, patented technology
With a minimum sightline of only 99 mm in the panel joint and panel height of up to 3.5 meters!

Incredibly slim sight lines, patented technology

With a building depth of 84 mm, maximum panel width of 1.1 metres and maximum height of 3.5 meters, the aluminium Highline bi-folding door system boasts an unbroken, slim sight line of 99 mm at the panel joint. This is thanks to the heart of the bi-folding door: the bionicTURTLE®, a multi-functional break profile that combines a range of technical details. This innovation keeps the profiles extremely slim – even when using large and heavy panels, it also houses the locking mechanism and guarantees perfect insulation.

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The Highline bi-folding door is PAS 24:2016 certificated

Window and door regulations for new builds: With the desire for slimmer and slimmer aluminium door profiles, security may be compromised. Any windows and doors for new builds, as part of DOC Q Building regulations, must have a security standard that has been shown to be tested to meet the PAS 24 security standards.

What does PAS 24 stand for? PAS 24 is a British minimum standard which means there are no higher or lower grades, so it either passes or fails: PAS 24:2016 Enhanced security performance requirements for doorsets and windows in the UK. The product is tested by an independent ‘United Kingdom Accreditation Service (UKAS)’ body to ensure compliance and fit for purpose.

As well as winning many design awards, the Highline is PAS 24:2016 certificated and Secured by Design (SBD) accredited which is the UK official police security initiative that works to improve the security of buildings and their immediate surroundings to provide safe places to live, work, shop and visit. Don’t settle for anything less than a quality product.

Burglar resistance
Water tightness
Up to 9A
Widerstandsfähigkeit bei Windlast
Widerstandsfähigkeit bei Windlast
Thermal transmission coefficient
Uw > 0.8 W/m²K
Air permeability
Sound reduction index
R'w up to 45 dB

Opening options

System details designed to impress

Click on each item to learn more about the various details.

Technology demo videos

Solarlux bi-folding doors are noted primarily for their sophisticated technology and the innovation included in their design, many of which are patented.

Our demonstration videos illustrate impressive features such as the TwinX concealed panel centring system, the carriage, the locking mechanism and the burglar resistance system.  

Technical details & downloads

Our materials

Solarlux world of colours

When you choose a Solarlux bi-folding door, you opt for individuality. Solarlux standard colour options, which include around 30 RAL colours, offer all the colours of the rainbow in matt and gloss finishes, at no extra cost. This allows every bi-folding door to match its building’s interior and  exterior design. We use our own in-house coating plant – one of the most modern in Europe – for top surface quality. 

RAL 1015
RAL 3011
RAL 5003
RAL 5008
RAL 5014
RAL 6005
RAL 6009
RAL 7004
RAL 7006
RAL 7015
RAL 7016
RAL 7021
RAL 7024
RAL 7035
RAL 7038
RAL 7039
RAL 7040
RAL 8017
RAL 8019
RAL 8022
RAL 8077
RAL 9001
RAL 9003
RAL 9004
RAL 9005
RAL 9006
RAL 9007
RAL 9010
RAL 9011
RAL 9016