Alitherm 600 Windows
Among the variety of window systems we offer, Smart’s Alitherm 600 series is our most popular window. This system offers a range of high quality glazing solutions for side and top hung windows, and boasts superior thermal efficiency ideal for new build projects or home renovations.
- Side Hung Max Width: 1000mm
- Side Hung Max Height: 1400mm
- Top Hung Max Width: 1400mm
- Top Hung Max Height: 1500mm
- Fixed Max Width: 2100mm
- Fixed Max Height: 2100mm
- Glazing Options: 28mm to 38mm double or triple glazed units
- 70mm Standard Frame Depth
- Typical U-value 1.3 W/m²K (using correct glass unit)
- WER Rating: B
- PAS 24:2016 and Document L Compliant
- BS Kitemarked to BS 6375-1:2009, BS 7950:1997 and BS 4873
U-Value
70mm frame depth
93.5mm sightlines
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Product Gallery
Colours and Finishes
Our range of Smart Systems products are available in over 200 RAL colours, as well as textured finishes and foils from Smart’s carefully curated collections. Plus, because they’re powder-coated, durability is never an issue. The colour is baked on, providing a lasting finish that won’t peel off or fade, and is guaranteed for 25 years.
Titanium Grey
Storm Grey
Steel Grey
Silver Grey
Golden Beach
Gold Pearl
Bronze
Black
Product Specifications
Explore Our Window Systems
Alitherm 400
Featuring Smart’s innovative co-extruded glazing gasket for quicker installation, the Alitherm 400 offers versatile configurations and compliance with PAS 24:2022 and Building Regulations Document L, ensuring superior security and thermal insulation for residential and commercial applications.
Alitherm Heritage
Offers a modern aluminium solution for heritage buildings, combining traditional aesthetics with energy efficient technology. Ideal for refurbishment projects, they maintain the authentic appearance of period properties while meeting modern performance standards, including thermal efficiency and security compliance.
Want to know more?
Can the Alitherm 600 windows be installed in both residential and commercial properties?
Yes, the Alitherm 600 system is suitable for both the residential and commercial markets. Its versatile design and range of customisation options make it a great choice for any space. With BDC Aluminium, you can tailor the windows to your exact specification, including a wide variety of colours and finishes, extra security options, and choices to further enhance thermal efficiency.
Is the Alitherm 600 series suitable for large window openings?
Yes, the Alitherm 600 system can accommodate large window sizes. For side hung windows, the maximum dimensions are 1000mm in width and 1400mm in height. For top hung windows, the maximum dimensions are 1400mm in width and 1500mm in height, making it versatile for various architectural needs.
What are the security features of the Alitherm 600?
The Alitherm 600 series complies with several British Standards, including BS 6375-1:2009 for weather performance and BS 7950:1997 for enhanced security performance. These certifications ensure that the windows offer high security and weather resistance, making them suitable for both residential and commercial applications.
Are the Alitherm 600 windows energy efficient?
Absolutely! The Alitherm 600 series features Smart’s polyamide thermal break technology, which reduces thermal transmittance and enhances energy efficiency. It can achieve a Window Energy ‘B’ Rating, ensuring that the property remains comfortable while also reducing heating costs.
What kind of maintenance is required for Alitherm 600 windows?
Alitherm 600 windows require minimal maintenance due to their durable aluminium construction and high quality powder-coated finishes. Occasional cleaning with mild soap and water, along with checks of the hardware and seals, is generally sufficient to keep the windows in good condition for years to come. The system’s robust design ensures long term performance and reliability, providing peace of mind to homeowners and commercial property managers alike.