Bi-Fold Windows
With the ability to enhance almost any type of building, whether modern, contemporary or traditional, Pearl Window Systems bi-fold windows enable you to fully open one side of a room while retaining valuable wall space for furniture inside.
Flexible Design. Effortless Access.
A practical and great looking window solution, Pearl Window Systems bi-fold windows are popular for use in conservatories and orangeries and are also ideal for the commercial sector.
During the summer months they can transform a café or restaurant, helping to attract additional customers and give an establishment an outdoor, open feel, while also being secure and child-friendly.
Bi-Fold Window Features
Standard four chamber frames, sculptured styling, 28mm double glazed units, a wide choice of colours and foiled frames, plus a choice of handles and hinge options.
Designed for Performance
Slim Sight Lines
Slim sight lines provide more glass and less frame, helping maximise views and natural light.
Energy Efficient
Available from an entry level C rating through to an A+ energy rating, depending on specification.
Robust Locking
Robust locking mechanisms, hook locking with shootbolts and a Secured by Design option are available.
Multiple Configurations
Frames can be coupled in multiple configurations, including patio configurations alongside casement windows.
Built for Real-World Performance
- ✓ 10 Years Profile Warranty
- ✓ Available from an entry level C Rated to an A+ Energy rating
- ✓ Robust locking mechanisms
- ✓ Smooth easy action
- ✓ Full colour range
- ✓ Hook locking with shootbolts
- ✓ Secured by Design option
- ✓ Minimum sash opening size 600mm W x 1850mm H
- ✓ Maximum sash opening size 900mm W x 2150mm H
- ✓ Slim sight lines with less frame and more glass
- ✓ 8mm sash coverage for excellent air leakage performance
- ✓ Unique patented double action gasket
- ✓ Centralised Euro groove for improved strength and security
- ✓ Square cut and scribed beading for ease of glazing
- ✓ Single J leg security beads
- ✓ Anti-static profile for easy cleaning
- ✓ Factory-fitted 32mm channel packers for efficient site glazing
- ✓ Multiple coupling configurations including patio configurations to casement windows
- ✓ 10mm, 20mm and 50mm add-ons for installation flexibility
- ✓ PVC inserts designed to provide the strength required without traditional steel reinforcement
Technical Information
Supporting information for the bi-fold window system, including system wall charts, cill profiles and associated components.
70mm Window & Door System
A3 wall chart providing an overview of the 70mm window and door system.
Cill Profiles
A2 wall chart showing the available cill profiles and associated information.
Cills & Associated Items
Further information on cills and associated items available for the Pearl window systems.
Eco Frame
Eco Frame is Pearl Window Systems’ deeper 90mm bi-fold window system, developed with energy efficiency, performance and the future in mind. The 90mm profile provides increased depth for enhanced glazing options while supporting excellent thermal performance.
90mm Profile
A deeper 90mm profile designed to provide enhanced glazing options and high thermal performance within the bi-fold window system.
Energy Efficient
The deeper profile supports enhanced glazing options and excellent thermal performance, helping create comfortable and energy-efficient spaces.
Future Focused
A modern 90mm system focused on energy efficiency, performance and the evolving requirements of contemporary window design.
Designed for Bi-Fold Applications
Eco Frame brings the deeper 90mm profile to Pearl’s bi-fold window range, providing increased depth for enhanced glazing options and excellent thermal performance.
It combines the flexibility and space-saving benefits of a bi-fold window with a modern 90mm system developed with energy efficiency and long-term performance in mind.
Eco Frame Bi-Fold Window
- ✓ 90mm deeper profile
- ✓ Designed for enhanced glazing options
- ✓ Excellent thermal performance
- ✓ Designed for bi-fold window configurations
- ✓ Available with Pearl’s range of colours and finishes
- ✓ Modern system developed with energy efficiency in mind
Need Installation Guidance?
Our Window Installation Guide provides useful information for the installation of Pearl window systems.
Let’s Talk About Your Project
Whether you need further product information, technical support or a quotation, our team is here to help.