Aluna Sliding Door.

Sliding Doors Exeter & Devon

Our Sliding Doors combine uninterrupted views, a flexible design and fantastic aesthetics. Plus boast an impressive specification all while remaining easy to install, and easy to operate.

Aluminium Sliding Doors Devon

Sliding Doors

Opened or closed, sliding doors provide minimal interruptions, blurring boundaries between inside and out.

Aluminium Sliding Doors Exeter

Perfect for Coastal Locations

Enjoy spectacular views with contemporary aluminium sliding doors.

Select our pre-anodised finish, and stainless steel handles to protect the doors against the harsh salt air for coastal properties.

Effectively maximise the view while creating a stunning feature using the pocket door, open corner and glass corner configurations. All are achievable with our aluminium sliding doors.

 

Aluminium Sliding Doors Devon

Bespoke Fabrication

Visit our showroom to see and experience our sliding doors for yourself. Discuss your configuration requirements with our team of experts.

Fabricated at the Exeter Trade Aluminium factory to your exact size, configuration, hardware and colour/finish requirements. Combining high-quality material and design with top craftsmanship, and excellent guarantees.

Technical Specifications

Aluna Slider

Cortizo 4900 Sliding HI

Origin OS-29+

Aluna Slider

The Aluna Slider is a stunning addition to any property, adding style and value to your home. Providing excellent thermal efficiency and a strong, super-slim profile section starting from just 25mm, it effortlessly minimises the visible framework with its design.

ALUNA Logo.
Aluna Slider.

Cortizo 4900 Sliding HI

The Cortizo 4900 Sliding HI door is a high-quality, sliding door system that delivers excellent thermal and acoustic insulation, with the sleek aesthetic of a 35mm interlock.

Fabricated and supplied from our Exeter factory, this easy-to-install system combines modern aesthetics with reliable performance for a fantastic sliding door solution.

Cortizo Logo
Cortizo 4900 Sliding HI Door

Origin OS-29+

Allow an abundance of natural light into your home with the Origin OS-29+ Patio Slider. The latest innovation in Origin’s excellent patio sliding door range, with sleek 29mm sightlines.

Origin Logo.
Origin OS-29+ Sliding Door

Key Features

Tech Specs & Brochures

Size Limits

Configurations

Colours

Hardware

Aluna Slider.

Key Features

Highlights

Super-slim 25mm interlock or 50mm non-bonded interlock


Double & Triple track options


Security tested to PAS24:2022


U values as low as 1.4 W/m2K


Multi-locking mechanism


Stainless steel lamina on rail profiles for smooth sliding operation


Trickle vents can be added


PVC rail cover for added thermal insulation and water protection


Two levels of channelling water and rubber tubular gaskets provide a robust seal and improved drainage


Options

Options


Track Options
Double & Triple

Threshold
Standard

Glazing
Double or triple

Aluna Slider.

Technical Specifications

Specifications

Performance

Value


U-value
1.4 (W/m2K)

Air Tightness
Up to 300Pa

Water Tightness
Up to 250Pa

Wind Load
Class C2/B3

Energy Rating
C

Burglar Resistance
PAS 24:2022 Compliant

Downloads

Name

Type

Size


Aluna Slider Brochure 2024

pdf

5.78 MB

Download


Aluna Slider.

Size Limits

Options

Size Limits

Value


Maximum Sash Size
2.5m x 2.7m

Maximum Sash Weight Per Door Lead
250kg

Interlock Sightlines
25mm/50mm

Double Track Outer Frame Width
120mm

Triple Track Outer Frame Width
183mm

Configurations

Choose from a wide variety of configurations from two to six panels. Depending on the number of panes chosen and which panes you would like sliding or fixed.

Colours

The Aluna Slider has three standard colour options and two dual-colour options.

The standard colour options include Grey 7016 (Matt), Black (Matte), White 9016 (Gloss), Grey 7016 (Matt) on White 9016 (Gloss), and Black 9005 (Matt) on White 9016 (Gloss).

For bespoke coloured doors featuring any RAL colour, speak to a member of our team for more information.

ALUNA Slider Door Colours.

Hardware

Enhance the look, performance, and durability of your sliding doors with the ALUNA Slider’s hardware options.

ALUNA Slider Hardware.

Key Features

Tech Specs & Brochures

Size Limits

Configurations

Key Features

Key Features

Slim 35mm interlock


Excellent thermal and acoustic insulation


34mm thermal break


Triple & four track options


Dual colour finishes available


Configure as a sliding window system


Technical Specification

Specifications

Technical Specification

Value


U-Values
1.2 (W/m²K)

Acoustic Insulation
Rw up to 40 dB

Air Permeability
Class 4

Water Tightness
Class 7A

Wind resistance
Class C5

Downloads

Name

Type

Size


Cortizo-4900-Hi-Sliding-System-Brochure

pdf

867.36 KB

Download


4900 Sliding HI

pdf

359.21 KB

Download


Size Limits

Options

Size Limits

Value


Maximum Sash Dimensions
2200mm (W) x 3000mm (H)

Maximum Sash Weight
240kg

Minimum Glazing
24mm

Maximum Glazing
36mm

Configurations

The Cortizo 4900 HI Sliding Door is available in a range of configurations. Options include a single-track arrangement with one sliding sash and one fixed panel, as well as double or triple-track systems that allow for larger openings and multiple sliding panels.

A pocket system is also available, enabling the door panels to slide completely into the wall. For contemporary corner designs, it can be configured with a 90° opening without a mullion.

Key Features

Tech Specs & Brochures

Configurations

Colours

Size Limits

Origin OS-29+ Sliding Door

Key Features

Key Features

Modern look, with sleek design


Exceptional thermal performance, with U-Values as low as 0.78 W/m2K


Squared bead


Stainless steel all-in-one handle


Concealed running gear


Colour-coded gaskets


Multipoint lock


Available in over 150 RAL Colours


Marine grade powder coating


Up to a 20-year guarantee on parts*


Options

Options

Value


Track Options
Double or Triple Track

Colours
Over 150 RAL shades

Extras
Trickle vents, cils or drip bar available

Handles
Signature Knurled or colour-coded handles

Origin OS-29+ Sliding Door

Technical Specifications

Specifications

Tech Specs

Value


U-Values (Double Glazing)
1.2 (W/m²K)

U-Values (Triple Glazing)
0.78 (W/m²K)

Air Permeability
Class 4, 600Pa

Water Tightness
Class 7A, 300 Pa

Energy Rating
B - A+

Wind Resistance
Class A3 (1200 Pa)

Safety
PAS24

Downloads

Name

Type

Size


Origin Sliding Door Brochure

pdf

7.79 MB

Download


Configurations

The Origin OS-29 is available in several configurations, from a two-door to a six-door configuration.

The opening point is completely flexible – left, right, or centre.

Origin Colour Options

150 RAL Colours

7016M - Anthracite Grey

7015M - Slate Grey

9010G - Hipca White

7021M - Black Grey

9005M - Jet Black

9010M - Hipca White

9007M - Dark Sliver Metallic

9910G/7016M - Dual Colour

Size Limits

Options

Size Limits

Value


Double Track Frame Depth
167mm

Triple Track Frame Depth
249mm

Track Height
50mm

Sightline
29mm

Minimum/Maximum Sash Height
935mm-2,620mm

Minimum/Maximum Sash Width
492mm-2,200mm

Glazing Options
28mm and 44mm

Product Gallery

View All

Why Exeter Trade Aluminium?

Quick Quote Turnaround

Competitive Trade Prices

Buy directly from the factory

Accurate Lead Times

Fast Track Options

Supplier Support

Versatile Configurations

Exeter Showroom

Manufactured Onsite

Expansive Delivery Area

Full RAL Colours

Lift and slide doors cost

Request a quote for sliding doors

In need of a quote for aluminium sliding doors?

Please complete our short form with your requirements and a member of the team will be in contact with your quote.

We supply sliding doors to the trade and homeowners in Exeter, and across Devon, Cornwall, Somerset, Dorset, Wiltshire and surrounding areas. Request a quote today.

Alternatively, visit our showroom to touch and experience the products we have on offer. With an expert on hand to answer any questions you have.

Sign up to our email newsletter for the latest product information, lead times and news from Exeter Trade Aluminium.

Please select which products you are interested in.

* indicates required fields

Privacy Policy

Contact Us

If you are looking for more information about our aluminium sliding doors please get in contact and a member of the team will be happy to help.

© 2026 Exeter Trade Aluminium | Privacy Policy | Cookie Policy | Terms & Conditions