Manufacturer & Installer · Gauteng · Est. 2009
Custom Aluminium Doors & Windows Gauteng
Trideniel Aluminium & Glass manufactures and installs custom aluminium doors and windows for residential and commercial properties across Gauteng. Standard and custom sizes, manufactured to order from our in-house factory using quality Wispeco aluminium profiles.
Aluminium Doors
Doors manufactured & installed to order
All our aluminium doors are manufactured to your exact specifications from our in-house Gauteng factory. Standard and custom sizes available. All doors include SANS-approved safety glass, professional installation and a 12-month warranty.
Aluminium Folding Doors
Space-saving folding doors for patios, lounges and commercial spaces. 3 to 9-panel configurations, top-hung and bottom-roller systems. Custom sizes and colour finishes. Our most profitable and fastest-turnaround product.
Learn more →Aluminium Sliding Doors
Classic sliding patio and balcony doors. Single and double-panel configurations in standard and custom sizes. Smooth glide systems, multiple glass and colour finish options. Ideal for indoor-outdoor living.
Get a quote →Aluminium Pivot Entrance Doors
Bold, modern pivot doors that make an immediate impression. Centre-pivot and offset-pivot configurations for residential entrances and commercial lobbies. Custom sizing, glass and finish options.
Get a quote →Aluminium Single & Double Doors
Standard and custom aluminium hinged doors for internal and external use. Available as single leaf or french-style double doors. Multiple glass configurations and powder-coat finishes.
Get a quote →Shop Fronts
Full aluminium and glass shopfront systems for retail, office and commercial properties. Custom frame configurations, security glazing options and high-traffic hardware suited to busy foot traffic environments.
Get a quote →Aluminium & Glass Garage Doors
Contemporary aluminium and glass garage doors that complement modern home designs. Custom sizes for single and double garages. Clean sightlines, powder-coat finish options and SANS-approved glass panels.
Get a quote →Aluminium Windows
Custom aluminium windows for every opening
We manufacture and install a full range of aluminium windows in standard and custom sizes. All windows use SANS-approved glass and quality Wispeco aluminium profiles. 12-month warranty on all installations.
Aluminium Sliding Windows
Space-efficient sliding windows for bedrooms, kitchens and living areas. Easy to operate, low maintenance and available in custom sizes and colour finishes to match your existing aluminium.
Get a quote →Aluminium Top-Hung & Side-Hung Windows
Top-hung windows open outward from the bottom — ideal for ventilation even in rain. Side-hung casement windows provide maximum airflow and clear views. Both available in custom sizes.
Get a quote →Patio Enclosures
Extend your living space with a custom aluminium patio enclosure. Combinations of sliding, folding and fixed aluminium panels to suit your space. Keeps wind and rain out while maintaining an open, light feel.
Get a quote →Fixed Aluminium Windows
Non-opening fixed light windows for maximum glass area, natural light and unobstructed views. Perfect for high-up placements or feature walls. Available in all standard glass types and custom sizes.
Get a quote →Why Aluminium
The smart material choice for Gauteng homes & businesses
Aluminium outperforms timber and steel in almost every category that matters for South African conditions — durability, maintenance, security and aesthetics. Here's why it's the right choice.
Low maintenance
No painting, no sanding, no rotting. Aluminium holds its finish for decades with minimal upkeep — just an occasional wipe-down.
Gauteng climate resistant
Aluminium doesn't warp, crack or corrode in Gauteng's harsh UV, temperature swings and seasonal rain — unlike timber or untreated steel.
Stronger & more secure
Aluminium frames are significantly stronger than timber and compatible with SANS-approved laminated safety glass and multi-point locking systems.
Sleek modern aesthetic
Slim sightlines, large glass panels and a wide range of powder-coat colours and finishes — aluminium suits both contemporary and classic architectural styles.
Energy efficient
Thermal break aluminium profiles significantly reduce heat transfer — keeping your home cooler in summer and warmer in winter while reducing energy costs.
Adds lasting value
Aluminium doors and windows outlast timber and steel in South African conditions. They add long-term property value and are a once-off investment that pays for itself.
Our Work
See our installations in the gallery
Browse completed door and window projects across Gauteng.
Why Choose Trideniel
Manufactured in-house. Installed by our own team.
Unlike resellers, Trideniel Aluminium & Glass manufactures your doors and windows from our own Gauteng factory — giving you faster turnaround, better quality control and unmatched after-sales support from the same team that built your product.
In-house manufacturing
Every product is manufactured in our own Gauteng factory. No third-party supply chain delays — your order is in our hands from start to installation.
Custom sizes manufactured to order
Non-standard openings are not a problem. We manufacture to your exact specifications and measurements.
Wispeco aluminium profiles
We use only quality Wispeco aluminium profiles and hardware — the industry standard for durability and performance in South Africa.
SANS-approved glass
All products include SANS-approved safety glass as standard. Glass type, tint and specification discussed at quoting stage.
12-month product warranty
All manufactured products carry a 12-month warranty. And because we manufacture and install, after-sales support is handled by the same team.
BBBEE Level 1 contributor
Trideniel Aluminium & Glass is a verified BBBEE Level 1 contributor — an important consideration for commercial and government procurement.
Established 2009
Over 15 years of manufacturing and installation experience across residential, commercial and retail properties throughout Gauteng.
Unmatched after-sales support
Our We Fix Doors repairs division means we can service, maintain and repair your doors and windows long after installation — something most suppliers can't offer.
Custom Manufacture · Rapid Turnaround · Since 2009
Ready to get a quote?
Email or WhatsApp us with your measurements and requirements. We'll respond with a detailed quote and advise on the best product for your space.