Origin Bi-Fold Doors
Origin Bi-Fold Doors
OB-49
Designed and manufactured in Great Britain the OB-49 exceeds British Building Regulation requirements for optimum thermal efficiency. New for 2019 this slim line door has been re-engineered from the industry-renowned OB-72. With 49mm profile provides an unbeatable panoramic view of your surroundings.
The OB-49 designed just for you, a vast colour range with a variety of handles every order is completely bespoke. If a slim Bi-Fold is what matters to you, then the Origin OB-49 Bi-Fold door don’t disappoint.
Sightline
The OB-49 has a ultra slim 49mm sightline so you’ll have less compromise when it comes to views.
Lightweight
With less profile comes less weight meaning with the easy glide system you’ll be able to open and close them with ease.
Handles
With a variety of handles to choose from you can completely make your door your own.
Durable powder coating
Whether you’re looking for a bright primary shade, a candy-coloured pastel or a deep, earthy tone, Origin’s extensive colour palette can’t fail to inspire you.





FEATURES & BENEFITS
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Up to a 20 year guarantee

Smooth free glide system

Finger safe gasket technology

No boundaries low threshold

Thermally efficient

Ultra slim lightweight aluminium frames

Advanced weather tight seals

Colour co-ordinated seals

Durable powder coating
Thermal Efficiency

With u-Values as low as 1.2, the Origin Door comprises of some of the most efficient weather-tight seals to ensure the elements stay out. The Thermal Transmittance is 1.2W/m2K also extensively tested by Origin Doors and Windows Product Compliance Director and team.
Security

Origin doors have a Secured by Design (SBD) status which is a police-preferred standard that focuses on the level of performance on accessible doors and windows for weather, security, operation and quality. As standard you will receive a 3-Star Diamond British Kite Mark Barrel lock.
Weather

Weathered and non- weathered options are available, so you can pick the right option for your needs. If you live by the beach, city centre or in the middle of the countryside there is a bespoke door for you.
Profile Specification
Profile Specification
Outer Frame Depth 75mm
Sash Depth 59mm
Hinge stile Glass to Glass Sightline 110mm
Track Height (not including rebate) 50mm
Weathered Threshold Height (including 18mm up stand) 67mm
Weathered Threshold Height Including Rebate 50mm
Non-Weathered Threshold Height 50mm
Size Limitations
Size Limitations
Minimum Sash Sizes (mm) W-325 H-400
Maximum Sash Sizes (mm) W-1200 H-2376
Minimum Set Sizes (mm) W-463 H-524
Maximum Set Sizes (mm) (with joining tracks) W-27600 H-2500
Maximum Set Sizes (mm) (without joining tracks) W-6000 H-2500
Weather Rating
Weather Rating
Air Permeability Class 4
Resistance to Wind Load Class A2
Water Tightness Class 9A
Exposure Category 1200pa (up to 2700mm tall) 800pa (2701mm - 3000mm tall)
Testing & Accreditation
Performance Testing
PAS24:2016
BS 6375 Parts 1, 2 & 3
Accreditation
ISO 9001
ISO 14001

2 Door Configuration

2 Door 2+0

2 Door French
3 Door Configuration

3 door 3+0

3 Door 2+1
4 Door Configuration

4 Door 3+1

4 Door 4+0

4 Door 1+1
5 Door Configuration

5 Door 5+0

5 Door 4+1

5 Door 3+2
6 Door Configuration

6 Door 3+3

6 Door 6+0

6 Door 5+1
7 Door Configuration

7 Door 3+4

7 Door 7+0

7 Door 6+1

7 Door 2+5
Product Videos
Colour Options
With the Origin OB-49 Bi-Fold Door, you have the choice of over 150 RAL shades, and a range of dual-colour options.
Any RAL Colours with 4-Week lead time

5023

6021

6027

1003

7001

5013

2004

6019

4010

Jet Black (9005m)

Dark Silver Metallic (9007m)

Black Grey (7021m)

Anthracite Grey (7016m)