Choosing the right aluminium sliding door can make a huge difference to the look, comfort and usability of your home. A1 Aluminium Windows offer two of the most popular systems in the UK: Slide 2000 and Visoglide Plus Upgrade.
Both are modern, secure and thermally efficient — but they’re designed for slightly different needs.
This page gives you a clear, easy‑to‑understand comparison so you can choose the perfect option.
At a glance
| Feature | Slide 2000 | Visoglide Plus Upgrade |
|---|---|---|
| Style | Slim, modern | Premium slimline |
| Best for | Standard patio openings | Large or tall openings |
| Max height | ~2100 mm | ~2500+ mm |
| Thermal performance | Around 1.6 W/m²K | Around 1.4–1.5 W/m²K |
| Tracks | Dual or triple | Dual or triple |
| Panel options | 2, 3 or 4 panels | 2, 3 or 4 panels |
| Price | Mid‑range | Higher‑end |
Slide 2000 – Slim, stylish and cost‑effective
Slide 2000 is Smart’s most popular residential sliding door system. It offers a clean, modern look with slim profiles and smooth operation, making it ideal for extensions, refurbishments and garden rooms.
Key benefits
Slim sightlines for a modern appearance
- Smooth, reliable sliding action
- Dual‑colour options (different inside/outside finishes)
- Suitable for 2, 3 or 4‑panel layouts
- Triple‑track option for wider openings
- Good thermal performance with double or triple glazing
- Excellent value for money
Best suited for
Homes with standard‑height openings, customers wanting a modern look without the cost of premium slimline systems, and projects where budget matters but quality still counts.
Visoglide Plus Upgrade – Premium performance for larger openings
Visoglide Plus Upgrade is Smart’s higher‑end sliding door system, designed for bigger apertures and improved thermal performance. It offers a more substantial feel, enhanced insulation and greater flexibility for tall or wide installations.
Key benefits
Higher thermal efficiency
- Supports much taller openings than Slide 2000
- Slim, contemporary profiles
- Smooth, heavy‑duty running gear
- Ideal for large spans and modern architectural designs
- Excellent choice for new‑builds and high‑spec extensions
Best suited for
Customers wanting large sliding doors, taller glass panels, or a higher‑performance system for energy‑efficient homes.
Side‑by‑side comparison
Design & appearance
- Slide 2000: Slim, clean lines with a modern look
- Visoglide Plus Upgrade: Slightly more premium feel, ideal for contemporary architecture
Thermal performance
- Slide 2000: Around 1.6 W/m²K depending on glass
- Visoglide Plus Upgrade: Typically 1.4–1.5 W/m²K, making it better for energy‑efficient builds
Opening size
- Slide 2000: Best for standard patio heights
- Visoglide Plus Upgrade: Designed for tall openings and wide spans
Operation
Both systems offer smooth, quiet sliding thanks to high‑quality rollers and thermally broken aluminium frames.
Security
Both include multi‑point locking and robust aluminium construction for peace of mind.
Price
- Slide 2000: More cost‑effective
- Visoglide Plus Upgrade: Higher‑end, suited to premium projects
Which one should you choose?
Choose Slide 2000 if you want:
- A modern, slimline patio door
- Great value without compromising quality
- A reliable system for standard openings
- A wide choice of colours and configurations
Choose Visoglide Plus Upgrade if you want:
- A premium sliding door for a high‑spec home
- Taller or wider openings
- Better thermal performance
- A more architectural look and feel