Aluminium Bi-Folding Doors

Bi-fold doors are the ideal way to open up your home and bring the outside in, whilst still keeping the weather out.
Sheerline / Cortizo are leaders in the design and manufacture of aluminium sliding and folding doors, delivering outstanding reliability, performance and design every time. Our range of bi-fold doors enables you to expand your living space by opening up wide expanses of your external walls to your outside space. Whilst at the same time keeping the weather out and the heat in during cold months.
Our stylish but practical bi-fold doors are built to your needs, offering you a bespoke solution every time, from the configuration of the doors to the handles, accessories and colour, making bi-fold doors the perfect addition to your home.
Wide range of configuration options
High performance glazing and design
Minimal profiles for a modern look
Complete range of handles and accessories
Unique flush line pop-out handle option
Full range of standard and bespoke colours
Dual colour option for inside and out
Chamfered and square bead options
Tested to PAS24 for enhanced security
Sturdy and reliable sliding mechanism
Low threshold option for room dividers
High performance as standard
Can easily be combined with all window and door systems
U-value = 1.4 W/m2K