Cii Design - quality at affordable prices

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Bi-fold Doors

Gain panoramic views of the outside and increased natural light inside with our beautifully designed, market leading uPVC Bi-fold doors.

As the UK’s largest fabricator of Liniar profile, our complete range of uPVC doors are the most technically advanced, secure and versatile in the marketplace. All of our Liniar doors are supplied in the same range of foil colours as our other products, guaranteeing a consistent colour match.

A skilled operative completes a stringent hand finishing process on all our Liniar doors. Therefore we only supply our customers with Liniar doors of the highest quality.

By using a standard 28mm or 36mm unit, we can supply our complete range of Residential Liniar doors unglazed allowing you to independently source the glass or panels. We can also make door and side screen combinations within a single outer frame.

The door profile is 100%lead-freee and 100% recyclable. This means that our full range of uPVC doors meets legislation in advance.

Our entire selection of uPVC Residential doors are available with the exclusive TruFrame 20mm astragal bar option in the complete range of colours.

Our doors use patented double action bubble gaskets, which provide enhanced levels of weather tightness and durability.

As a Yale approved fabricator our Residential, French and Patio doors come with Yale high security locking systems as standard. This includes Yale’s ModLok™ on our Patio Plus range and Lockmaster multipoint locks on French and Residential doors.

All of our uPVC door frames come with a 10 year manufacturer’s guarantee against cracking, warping and discolouration.

Slimmer frames mean less uPVC, more glass and more natural light.

Shootbolt locks ensure the doors are bolted firmly into the stainless steel track, maximising security and removing the need for keeps.

In-board mounted stainless steel track conceals hardware so only the hinge knuckles are visible when the door is closed.

Features & Benefits

Our Liniar Bi-fold doors have been designed from the ground-up to be truly market leading. They are the first product of their kind to be regarded as a genuine alternative to the long-standing aluminium systems.

Windows that pass the test

You and your home are valuable and at TruFrame we take this very seriously. That’s why we offer Yale locking on our window products as they are one of the most recognised and respected names in home security.


Residential Doors

Stable Doors

French Doors

Patio Doors

Bi-fold Doors