Built for Trade. Trusted Across the UK.
At 6 Day Doors, we manufacture high-performance aluminium doors and windows using Smart Systems, one of the UK’s most established and trusted aluminium system suppliers.
Whether you’re a trade installer, developer, or contractor, Smart Architectural Aluminium gives you the reliability, flexibility, and performance needed to deliver outstanding results on every project.
With fast lead times, consistent quality, and full technical support, our Smart Systems range is built to help you win more jobs and complete them faster.
Explore Our Aluminium Door Range
We fabricate a wide range of aluminium products using Smart Systems profiles, all designed for durability, thermal efficiency, and modern aesthetics.
Each product is made-to-measure, giving you complete flexibility for residential and commercial installations.
Why Trade Professionals Choose Smart Systems
Smart Systems has built its reputation over decades by delivering consistent, high-quality aluminium systems that perform in real-world conditions.
Proven UK Manufacturing
Smart’s vertically integrated manufacturing process ensures complete control, from aluminium extrusion to powder coating. This results in consistent quality across every profile.
Reliable Lead Times
Combined with our 6-day manufacturing model, Smart Systems allows us to deliver products quickly without compromising on quality, a key advantage for time-sensitive projects.
Designed for Fabricators & Installers
Profiles are engineered for ease of fabrication and installation, reducing time on site and improving efficiency for trade professionals.
Wide Product Compatibility
Using a single, trusted system across bifolds, sliders, and front doors ensures consistency in finish, performance, and installation processes.
Product Families We Support
Our Smart Systems offering covers a full suite of aluminium glazing solutions:
Bifold Door Systems
Slim sightlines, smooth operation, and flexible configurations. Ideal for extensions and large openings.
Sliding Door Systems
Large glass panels with minimal frames, designed to maximise natural light and deliver a premium finish.
Aluminium Front Doors
Secure, thermally efficient entrance doors with modern styling and customisation options.
Aluminium Window Systems
Including casement, tilt-and-turn, and bespoke configurations for residential and commercial use.
Performance You Can Rely On
Smart Systems aluminium profiles are engineered to meet modern building standards and customer expectations.
Thermal Efficiency
Advanced thermal break technology helps achieve strong U-values, supporting energy-efficient builds and renovations.
Security
Multi-point locking systems and robust aluminium construction provide high levels of security across all door types.
Weather Resistance
Designed to withstand the UK climate, with excellent resistance to wind, rain, and long-term wear.
Durability
Powder-coated finishes ensure long-lasting colour retention and low maintenance, even in exposed environments.
Customisation & Finishes
Every project is different, and Smart Systems gives you the flexibility to match.
- Wide range of RAL colours
- Dual-colour options (inside/outside)
- Matte, gloss, and textured finishes
- Multiple hardware and glazing options
This allows you to meet both functional requirements and design expectations for your customers.
Backed by Guarantees
At 6 Day Doors, we combine Smart Systems profiles with our own manufacturing expertise and quality control.
- Product guarantees for peace of mind
- Consistent manufacturing standards
- Dedicated trade support
- Reliable aftercare
You’re not just buying a product, you’re getting a dependable supply partner.
Why Choose 6 Day Doors for Smart Systems?
We don’t just supply Smart Systems, we optimise them for trade.
Fast Turnaround
Our streamlined production means you get high-quality aluminium doors in as little as 6 days on standard specifications.
Trade-Focused Service
We understand the pressures of installation schedules, client expectations, and project deadlines.
Competitive Pricing
Efficient manufacturing and strong supplier relationships allow us to offer competitive trade pricing.
Extensive Product Range
From bifolds to front doors, you can source everything you need from one trusted supplier.
See the Quality for Yourself
Visit one of our showrooms to explore our Smart Systems products in person:
- Colchester
- Brentwood
- Romford
- Loughton
- Epsom
- Barnham
Or speak to our team today to discuss your project requirements.
FAQs
What is Smart Systems aluminium?
Smart Systems (Smart Architectural Aluminium) is a UK-based manufacturer of aluminium glazing systems, including doors and windows used in residential and commercial projects.
Are Smart Systems doors good quality?
Yes. Smart Systems products are widely used across the UK and are known for their durability, thermal performance, and consistent manufacturing standards.
What products can be made with Smart Systems?
Smart Systems profiles are used to manufacture bifold doors, sliding doors, front doors, and aluminium windows.
Are Smart Systems doors energy efficient?
Yes. They include thermal break technology designed to improve insulation and help meet modern energy efficiency requirements.
Do Smart Systems doors come in different colours?
Yes. A wide range of RAL colours and finishes are available, including dual-colour options.
Why do trade installers use Smart Systems?
Trade professionals choose Smart Systems for reliability, ease of installation, consistent quality, and compatibility across multiple product types.
