Another installation showcasing the bespoke nature of every door we make here at Aluco. Black internal sliding doors in Manchester with a distinctive bar design add style and luxury to this gorgeous home. Installed by Radcliffe Glass and Windows, one of our trusted Aluco distributors serving Manchester and the North West, these black internal sliding doors are a bold yet elegant addition to a modern family home.
These black internal doors are finished in RAL 9005 matt black, professionally powder-coated with a marine-grade finish and backed by our Aluco quality guarantee. The frames are slim yet robust, constructed from premium aluminium with every detail considered, right down to the steel-like 25mm glazing bars.
ultra slim black internal sliding doors
The home already features matching steel-look exterior doors and screens outside. Also, there are internal hinged doors with the same distinctive design. As a result, the decision to continue using the same indoor style is an easy one, promising a natural and visual impact. Aluco internal sliding doors were chosen not only for their appearance but also for their unique design flexibility and seamless floor integration.
This configuration comprises two sliding panels, biparting at the centre and each gliding smoothly behind a fixed glazed panel. Above the doors, matching glazed top panels continue the visual rhythm and maximise the feeling of space and light.

Bespoke Bar Design for a Unique Interior Statement
What sets this project apart is the customised glazing bar layout. The doors are designed with our signature horizontal bars above and below the central backplate, complemented by slim vertical bars for a distinctive grid pattern. The result is a refined industrial aesthetic with clean lines and precise symmetry—perfect for a high-end interior.
The application of the glazing bars on our doors is only ever carried out in our factory. This ensures the cleanest way to custom-apply our bars, ensuring maximum adhesion and quality.

Zero threshold, maximum impact
In keeping with the contemporary interior, the home features large-format stone flooring running throughout. The Aluco internal sliding system is expertly designed with no visible threshold, allowing uninterrupted flow from room to room. A discreet bottom runner keeps the doors perfectly aligned without breaking the flooring line—a crucial detail in a space like this.
Brass flush pull handles are recessed into each sliding panel, offering a subtle contrast against the black frames and adding a touch of sophistication. A bespoke deep transom between the doors and the glazed panels above adds a bold sightline between the sliding panels and the glass above.
All doors are single-glazed using toughened safety glass for everyday durability and safe use inside the home. As with all Aluco sliding doors, the system includes a soft-close feature for a quiet, controlled return and a concealed piston that holds the doors neatly open until you’re ready to close them.
Crafted by Aluco, installed nationwide by experts.
Every internal sliding door is handmade by us in Cambridgeshire with meticulous attention to detail. Radcliffe Glass and Windows installed this Manchester project, our approved Aluco partner for the North West, ensuring a flawless installation that matches the standard of every set of black internal sliding doors we make. Aluco is designed and built for everyday living.
Get the best and most authentic black internal sliding doors for your home or commercial building. Contact us today for details of your nearest Aluco Approved Installer, or contact us to arrange a visit to view our products nationwide.
PROJECT DETAILS
LOCATION: Manchester
PRODUCT USED: Aluco Internal Sliding Doors
– Two-panel biparting sliding doors with fixed glazed side panels
– Custom glazing bar design with horizontal and vertical bars
– Glazed top panels
– Deep bespoke transoms
– RAL 9005 matt black finish
– Toughened single glazed safety glass
– Brass flush pull handles
– Zero threshold with continuous floor finish
INSTALLATION PARTNER: Radcliffe Glass and Windows – Aluco Distributor for Manchester and the North West