Sliding Doors
Smart Systems Alitherm Plus Sliding Doors
Create wide, uninterrupted views and maximise natural light with Smart Systems Alitherm Plus Sliding Doors — a modern, high-performance aluminium sliding door system designed for both residential and commercial projects.
Perfect for extensions, new builds, renovations and garden rooms, Alitherm Plus sliding doors deliver smooth operation, slim sightlines and excellent durability.
Why choose Alitherm Plus Sliding Doors?
Smart's Alitherm Plus system is engineered for strength, security and thermal performance, while maintaining a sleek, contemporary appearance.
Key features:
- Slim aluminium profiles for larger glass areas
- Smooth, effortless sliding operation
- Excellent thermal efficiency
- Strong, secure multi-point locking systems
- Available in 2, 3 or 4 pane configurations
- Wide range of colours including Anthracite Grey, Black, White and dual-colour options
- Low maintenance, long-lasting aluminium finish
These doors are ideal for creating bright, open living spaces with seamless access to patios, gardens and commercial outdoor areas.
Made to measure for every opening
All Alitherm Plus sliding doors are manufactured bespoke to your exact sizes and specifications.
We supply to:
- Homeowners
- Trade installers
- Builders & developers
- Commercial projects
Your quotation can include:
- Custom sizes and configurations
- Colour and finish options
- Double or triple glazing options
- Trickle vents, cills and ancillaries
- Delivery or collection
How to get a quote
As every sliding door is made to order, all pricing is provided manually to ensure accuracy.
To request a quotation:
- Fill out the contact form below
- Attach a drawing showing sizes, configuration and quantities
- Add any colour or specification details if known
Once received, our team will review everything and get back to you within 48 hours with a full quotation and any technical guidance required.
Not sure on configuration or sizes? Send what you have and we'll help you through the rest.
Get in touch
Have a question? Fill out the form below and we'll get back to you as soon as possible. For quotes, please upload a drawing of what you require and we'll be back in touch as soon as possible.