Origin Slimline OB-49 Aluminium Bi-folding Door

The OB-49 slimline bi-folding door from Origin is one of the slimmest available. Bringing together the ultimate combination of aesthetics, strength, security, thermal and operational performance.

Slimline sight-lines

Sight-lines of just 110mm mean less profile and more glass, maximizing the view opened or closed. Each sash (door leaf) has a sight-line of just 49mm compared to the 72mm sight-lines of the standard Origin bi-fold (OB-79). The slimmer sight-lines hasn’t compromised the performance of the doors; it is PAS 24:2016 accredited, offers maximum panel widths of 1200mm and can achieve a U-value of 1.2 W/(m2K).

Made in the UK

Made in the UK by Origin, using the finest engineering and premium grade components. Helping the OB-49 to deliver an all round great performance. The door is easy to operate with an effortless slide and fold action, and luxury high-grade stainless steel handles. With little fingers protected by the finger safe gaskets to safeguard them from getting trapped.

Configuration options

Available in a multitude of configuration options, which include;

  • Up to 12 door leaves,
  • Panel widths up to 1200mm,
  • Open in or out, to the left or the right,
  • Weathered and non-weathered thresholds,
  • Double or triple glazing,
  • 150 different RAL colours, single or dual colour. Plus gasket colour options.

Bi-folding door configuration optionsWatch our configuration videos which shows some of the different options available to you.

The Origin bi-folding door offers complete versatility, ensuring they meet your functional, as well as stylistic requirements. Expertly and professionally surveyed and installed by Aspect Windows, ensuring the perfect fit. The door is also covered by Origin’s industry leading up to 20 year guarantee for extra piece of mind.

With impressively thin proportions, and a contemporary appearance inside and out, the OB-49 by Origin is the perfect solution if you are looking for a slimline bi-folding door.

Learn more

Book an showroom appointment with one of our product experts to learn more about the Origin OB-49 bi-folding door, and help you configure the perfect bi-fold for your project and your requirements.

Origin bi-folding door brochure




Download the latest Origin Bi-fold Door brochure

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