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Patio Doors & Bi-Fold Doors

Patio Doors & Bi-Fold Doors – Hinged, Sliding, Folding – Patio Doors whatever the application!

We supply a wide range of PVCu and Aluminium patio doors, sliding doors, french doors and bi-folding doors, which will not only add instant kerb appeal to a property but will add all the benefits that modern design and quality manufacturing brings in terms of styling, security and every efficiency. With a range of styles, from country cottage and Edwardian townhouse to more contemporary styles, including our WarmCore folding/sliding door system, you can be sure to find the perfect door for any requirement.

French Doors & Sliding Patio Doors

Our Patio Doors & Bi-Fold Doors are engineered to the highest standards, available in a variety of finishes and choice of sliding and fixed leaf configurations, and feature an excellent track system designed to ensure years of trouble free service.

Featuring fixed and sash door frames using proven PVC-U profiles, our patio doors will require little maintenance and will keep your home warm due to their energy efficient design.

Why choose our patio door system?

  • 28mm A-rated, insulated double glazed units.
  • Internal glazing bead for security.
  • Optional trickle ventilation in head.
  • Sliding sashes and interlocks fitted with woolpile for draught exclusion.
  • Tandem rollers provide up and down adjustment for glazing precision.
  • Handle options: Polished Gold, Matt Gold, Polished Chrome or White

Internal image of french doors in a Norfolk home

Bi-Fold Door Systems

Bring the outside, inside with bi-fold patio doors!
Our popular PVCu Bi-Fold door system is an attractive piece of engineering, which is configurable into almost any width and configuration. Popular widths are 3m, 4.05m, 5m and 6.35m lengths.

Our Gen2 Bi-Fold door not only is it an attractive piece of engineering with:

  • Wide spans easily achieved due to strengthened design – Available in 3m, 4.05m, 5m, 6.35m lengths.
  • In or out opening configuration.
  • Stronger, thermally broken top and bottom aluminum tracks improve thermal efficiency and reduces condensation.
  • Lower depth thresholds as there is no need for the bulky add-ons, which many other systems use.
  • A greater range of colours and colour-matched tracks than any other supplier.
  • Sealing weather strips complete the professional look of the door.
  • Rigid aluminum tracks prevents excessive flex so the doors run smoothly, even on long spans with multiple door leaf configurations.

The unique design can be fitted to most of our competitor profile systems making it the most comprehensive Bi-Fold product on the market.

Image of bi-fold patio doors


In addition to white, we can also provide our PVCu Patio Doors, French Doors & Bi-folding Patio Doors in traditional woodgrain and painted effect foils in a wide range of colours to complement any home. We also offer the added option to powder-coat our aluminium roofs with any RAL colour – so yo have a world of colour options open to you.

The colours shown below are designed as a guide to the Woodgrain and Artisan Woodgrain Collection. Before making your final decision, please ensure you have seen a foil swatch.

Image of conservatory colour options

WarmCore is a high quality aluminium folding sliding door solution with peerless thermal performance that ensures end-user comfort, all year round.

WarmCore_bi-fold-patio-doors-norwich image

WarmCore is an innovative aluminium folding sliding door system which incorporates a radically different product design approach to deliver a new high performance fenestration framing solution: “warm aluminium”.

Designed from scratch starting with a clean sheet of paper, every single component has been concept sketched, detail designed, prototyped, tooled, trial installed and rigorously tested by Synseal’s unrivalled R&D team.

WarmCore is a high quality aluminium folding sliding door solution with peerless thermal performance that ensures end-user comfort, all year round.

At the heart of WarmCore products is a thermal core which significantly out-performs the polyamide thermal breaks commonly used to reduce the threat of cold bridging on aluminium windows and doors.

The result is an innovative “warm aluminium” frame, carefully dimensioned to provide an optimised 70mm front-to-back sash frame depth while ensuring market-leading thermal performance thanks to the multi-chambered insulating core.

Close-up of the WarmCore sliding folding 'warm' aluminium sliding door system

Colour options

Colour swatch for Warmcore doors

Illustration of Warmcore patio door configurations

Traditional French and residential doors can be constructed using the WarmCore system, in addition to a comprehensive range of bi-fold doors including all the popular elevational configurations and stacking options.

Folding sliding doors up to six metres wide incorporating seven sashes can be specified. A midrail option is also available.

Max. width: 6000mm
Max. outer frame height: 2400mm
Max. sash width: 1000mm
Max. load per sash: 100kg

Image showing how self-cleaning glass works

Self-Cleaning Glass

Our range of self-cleaning and solar control glasses are the perfect choice for customers looking for the ultimate in glass solutions.

Every glass unit incorporates true, dual action self-cleaning glass, which breaks down dirt and washes it away as illustrated in the diagrams shown opposite. Since the water does not form into droplets on its surface, this means that you can see clearly out of your windows even when it is raining. Additionally, when the water evaporates it doesn’t leave behind the usual dirty water droplet marks. The result is that windows stay cleaner for longer!

The self-cleaning coating is also applied as the glass is actually being manufactured. This means that it is fused into the surface and therefore lasts the lifetime of the pane of glass, unlike the spray on ‘easy-clean’ coatings which wear off after a period of time and need to be re-applied.

How self-cleaning glass works:

• Actively breaks down organic dirt
• Water sheets across its surface to wash dirt away
• Clear vision even when it’s raining
• Dirty water droplet marks are all but eliminated
• No need to re-apply the self-cleaning coating