Origin OB72 Aluminium 2 Section Bifold Door

ORIGIN OB72 Premium

The OB72 Aluminium Bifold Door is a perfect combination of style, durability, and energy efficiency. Designed for modern living, it features a robust thermally broken aluminium frame, offering superior insulation and sleek aesthetics. Its smooth-gliding operation, enhanced security, and vast customisation options make it ideal for seamlessly connecting indoor and outdoor spaces. Whether for a new build or renovation, the OB72 delivers timeless design with long-lasting performance.

Technical Specification

• Outer Frame Depth: 75mm
• Sash Depth: 59mm
• Sightline: 154mm
• Track Height (Excluding Rebate): 50mm
• Standard Weathered Threshold Height: 67mm
• Standard Cill Depth: 155mm
• Glass Specification: Planitherm 1 A Rated, Argon-Filled, Toughened Clear Glass with Black Spacer Bar
• U-Value: 1.4 W/m²K for outstanding thermal efficiency
• Locking Mechanism: Multipoint Lock with a 3-Star Diamond Thumbturn Barrel (with French Door Configuration Only)

Guarantee

20-Year Manufacturing Guarantee – Ensuring security, durability, and peace of mind.

Brochure & Downloads

Brochure:

Installation Guide:

FAQs

Q: How do I work out which bi-fold door size I need?
A: Measure the width and height of your opening, ensuring to leave a fitting tolerance of around half an inch. For accuracy, we recommend hiring a professional to take precise measurements.

Q: What size of opening do bi-fold doors fit?
A: Off-the-shelf bi-fold doors fit predefined sizes, while custom-made options like the OB72 can be tailored to fit almost any opening.

Q: What is the minimum width and height for bi-fold doors?
A: The minimum width per door panel is 15.75 inches (odd-number configurations) or 28 inches (even-number configurations). The minimum total door set width is approximately 48 inches, with a minimum height of 15.75 inches.

Q: What is the maximum width and height for bi-fold doors?
A: Individual door panels can be up to 48 inches wide. A full door set can span up to 65 feet with multiple panels. The maximum height is 118 inches.

Q: What are the standard bi-fold door sizes?
A: Standard three-door bi-folds range between 70–96 inches in width and 80–96 inches in height. However, all Origin doors are custom-made to fit your space.

Q: How many panels do I need?
A: The number of panels depends on your available space. Doors over 20 feet typically require a dual-track system. Custom sizes ensure a perfect fit.

Q: How thin are the door frames?
A: The OB72’s aluminium construction allows for a sleek frame while maintaining strength, with a sash width of approximately 2.8 inches.

Q: Which way do the doors fold?
A: You can configure your doors to fold left, right, or split in both directions. The lead door, containing the multi-point locking system, is positioned according to your preference.

Q: Do bi-fold doors open inwards or outwards?
A: The OB72 can be configured to open inwards or outwards, depending on space availability and preference. Outward-opening doors maximize interior space.