GI34 Internal Doors
GI34 Internal Doors
The GI34 Internal Door and framing brings a refined steel-look design to modern interiors, combining ultra-slim sightlines with luxury and quality.
The slimmest internal door system
Hinged, sliding or pivot doors
Authentic industrial and steel look
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mm x mm
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
Single door
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
Black
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
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Overview
Ultra-Slim 29mm Sightlines
Creates a clean, modern look that enhances light flow and architectural clarity between rooms or offices.
Multiple Configuration Options
Available as hinged, sliding, pivot, pocket, French doors, or fixed partitions to suit any interior layout.
Supports Large Internal Openings
Handles sash widths up to 2250mm and heights up to 3000mm, ideal for spacious, open-plan designs.
Smooth and Controlled Operation
Precision hardware enables effortless movement across all door types, with optional soft-close for sliding doors.
Durable and Lightweight Glazing
Compatible with 6–8mm toughened, laminated, privacy or special glass to suit the project.
Premium Finishes and Hardware
Supplied in powder-coated Black 9005TX as standard, with hardware in black, bronze, silver, or gold for a high-end finish. Other colours on request.

GI34 — Flexible Design for Contemporary Interiors
The GI34 is designed to work across a wide range of interior door and partition layouts. Whether you’re creating a feature pivot door, dividing a space with sliding or pocket doors, or designing internal glass partitions with fixed panels, the system delivers visual consistency and minimal detailing.
Its 29mm framing, delivers on slim sightlines, luxury and refinement for internal spaces. Perfecdtly suited to modern homes, commercial interiors, and loft-style developments in new or existing property. Pleasing sightlines with a square and flatline aesthetic throughout, take inspiration from steel glazing systems. A timeless and highly adaptable door and screening system for internal glazing.

Expertly Manufactured by Glideline
Glideline manufactures all GI34 internal systems in-house, with the level of detail and 1st class finish, that is expected with premium quality internal doors and screens. Every configuration is made to order to suit the exact dimensions of your project, ensuring clean lines, minimal gaps, and a well-executed finish.
With flexible glazing options, durable finishes, and available in virtually any design, the GI34 system complements both residential and commercial interiors where quality and aesthetics matter. Backed by years of experience in manufacturing premium aluminium glazing, Glideline brings the same attention to detail to internal systems as we do to our exterior window and doors collection.

Support for Installers, Designers, and Developers
Whether you're specifying a single feature door or an entire partition wall system, Glideline supports your project with detailed technical data, CAD resources, and expert advice. The GI34 system is straightforward to install and designed with the needs of trade professionals and interior designers in mind.
From layout planning to hardware selection and finish matching, we work with you to ensure the GI34 integrates seamlessly into your design. Reliable service, consistent quality, and short lead times make Glideline a dependable partner for bespoke internal aluminium systems.
Options
Handle colours
Technical specifications
General
Frame: 29mm
Sash: 29mm
Transom/Mullion: 34mm
Minimum Thickness: 6mm
Maximum Thickness: 8mm
Fixed Light:
Width: Up to 2000mm
Height: Up to 3000mm
Hinged Doors:
Leaf Width: Up to 1200mm
Leaf Height: Up to 2500mm
Maximum Leaf Weight: 100kg
Sliding Doors:
Leaf Width: Up to 1200mm
Leaf Height: Up to 3000mm
Maximum Leaf Weight: 100kg (80kg with Soft Close)
Pivot Doors:
Leaf Width: Up to 2250mm
Leaf Height: Up to 2500mm
Maximum Leaf Weight: 150kg
Sightlines
Glazing
Maximum Sash Dimensions

Colour Finishes
Available from Glideline
Powder Coating RAL Finish
Standard 7016M and 9005M, 9010G
Available in 150+ RAL finishes
Textured finish available
Split colour for interior/exterior
Anodized aluminium
Class 15; 15-19 micrometer coating for external use as standard
Class 20; 20-24 micrometer coating for use in aggressive conditions, industrial areas and marine pollution
Silver brushed, silver rough brushed, bright silver, matte silver, brushed steel, rough brushed steel, brushed champagne re-polished, bright gold, rough brushed inox re-polished, brushed stainless steel, rough brushed ivory re-polished, brushed bronze, rough brushed bronze and re-polished, rough brushed copper re-polished, rough brushed Bordeaux re-polished, rough brushed green, rough brushed blue re-polished, rough brushed grey re-polished, matte black
Wood effect powder coating
Available in pine, oak, cherry wood, sapele, African walnut, walnut, chestnut and white wood
Reviews
Thank you to the installers Joe and Luke for their hard work. It wasn't easy going up all the stairs but they were happy doing so and I couldn't be happier with the doors. Also Henry has been fantastic from start
Glideline installed 6 sets of sliding doors in our house. This was a major investment for us so we wanted it to be just right. David and all the team were friendly and helpful from start to finish. Henry was great.
FAQs
What is the GI34 Internal Door system?
The GI34 Internal Door is a sleek, slim-framed aluminum system designed for modern interior spaces. It offers multiple configurations, including hinged, sliding, pivot, pocket, and French doors, making it a versatile solution for both residential and commercial applications.
What are the sightlines of the GI34 system?
The GI34 features ultra-slim sightlines for a minimalist aesthetic: Frame: 29mm Sash: 29mm Transom/Mullion: 34mm
What glazing options are available?
The GI34 is compatible with 6mm to 8mm glazing, allowing for crystal-clear visibility while maintaining durability and structural integrity.
What hardware options are included?
The GI34 offers a variety of premium hardware options, including: Snib turn handles in Black, Bronze, Gold, and Silver Precision-engineered mechanisms for smooth operation
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