Smart Architectural Aluminium has announced a new addition to its proven Alitherm range, with the launch of the Alitherm 500 range of high quality windows.

Providing both side-hung and top-hung options, this flush casement window system is the perfect solution for period properties. Recreating the traditional appearance of flush-fitting timber windows, the sash profile sits flat, in-line with the outer frame to provide a completely uninterrupted aesthetic appearance.

At the same time, Alitherm 500 delivers all the thermal efficiency, performance, security and maintenance benefits of a modern aluminium solution, providing the assurance of a ‘B’ Window Energy Rating, an ‘A+’ BRE Green Guide rating and Kitemarks for both security and high weather performance.

Designed to meet the requirements of Document L of the Building Regulations, Alitherm 500 windows incorporate Smart’s innovative polyamide thermal break technology, which significantly reduces thermal transmittance and enhances the overall U-value of the product. The system can achieve a U-value of up to 1.4 W/m²K, depending on the system and glass unit.

And for the perfect finish, the window system is available in a wide range of standard and non-standard colours, with single and dual colour options including Smart’s own Naturals, Sensations, Alchemy and Cotswold colour ranges.

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