Windows
Thermal Aluminum Windows
Thermal-break aluminium windows that combine slim, modern sightlines with strong insulation and long-term durability.
- 5types
- Systems by
- Made to measure
Key benefits
Thermal Aluminum Windows
Thermal-break aluminium windows from MK AluPlast: slim frames, modern design and better insulation. Alumil M11000, S67, S77, S560 and S350 systems.
Thermal break
An insulating barrier separates the inner and outer frame, reducing heat transfer between inside and outside.
Energy efficiency
Less heat loss means better comfort in every season and lower energy use.
Slim, modern sightlines
All the strength and clean contemporary look aluminium is known for.
For every project
Ideal for residential, commercial and renovation projects where performance and style matter equally.
Upgrade your property with thermal aluminium windows designed for modern living, energy efficiency and long-term durability. Combining sleek aesthetics with advanced insulation technology, they help reduce heat loss, improve indoor comfort and give your home or building a clean, contemporary look. They are the ideal solution for residential, commercial and renovation projects where performance and style are equally important.
Thermal aluminium windows are high-performance window systems made with aluminium profiles that include a thermal break. This barrier separates the inner and outer parts of the frame, reducing heat transfer between the inside and outside. The result is better insulation, improved energy efficiency and greater comfort in every season.
Unlike standard aluminium frames, thermal systems are specifically engineered to deliver stronger thermal performance while keeping the strength, slim sightlines and modern appearance that aluminium is known for.
Available types
Explore the range
Select a system to see its key figures, technical data and features.
01 / 05Alumil M11000
A reliable thermal aluminium system for projects that require durability, functionality and a modern appearance.
- Minimum visible width (frame + vent)
- 61mm
- Sash depth
- 70mm
Technical data
- Thermal insulation
- yes
- Exterior shapes
- classic, curved, flat
- Panel type
- aluminium
- Glazing
- single, double, triple
02 / 05Alumil S67
Clean design, solid insulation and reliable performance, with a flat exterior look and support for advanced glazing options.
- Minimum visible width (frame + vent)
- 67mm
- Sash depth
- 67mm
Technical data
- Thermal insulation
- yes
- Exterior shapes
- flat
- Panel type
- aluminium
- Glazing
- double, triple
03 / 05Alumil S77
A high-performance system with flat and curved exterior options, offering flexibility for different architectural styles.
- Minimum visible width (frame + vent)
- 122mm
Technical data
- Thermal insulation
- yes
- Exterior shapes
- flat, curved
- Panel type
- aluminium
- Glazing
- double, triple
04 / 05Alumil S560
A modern thermal aluminium system developed for flexibility and performance, combining visual elegance with everyday functionality.
- Minimum visible width (frame + vent)
- 122.5mm
- Sash depth
- 56mm
Technical data
- Thermal insulation
- yes
- Exterior shapes
- flat
- Panel type
- aluminium
- Glazing
- double, triple
05 / 05Alumil S350
A practical and attractive thermal aluminium solution suitable for a wide variety of applications.
- Minimum visible width (frame + vent)
- 102mm
- Sash depth
- 35mm
Technical data
- Thermal insulation
- yes
- Exterior shapes
- flat, curved
- Panel type
- aluminium
- Glazing
- double
Products
Related products
Planning a renovation or a new build?
Tell us about your project. We’ll measure, advise on the right system and send a detailed, no-obligation quote.