Senior Architectural Systems has expanded its aluminium window range with the launch of the SPW+ Tilt & Turn Open In aluminium window system, designed to combine slim sightlines, strong performance and installation efficiency for modern residential and commercial projects.

Developed as a flexible and cost-effective solution, SPW+ supports both double and triple glazing options, enabling U-values between 1.3 W/m²K and 0.94 W/m²K when calculated as a commercial CEN standard window. This adaptability allows thermal performance to be tailored to specific project requirements without compromising aesthetics or buildability.

The system has been engineered to integrate seamlessly with Senior’s aluminium Louvre Guard, without the need for additional profile materials. This reduces material usage, simplifies fabrication and helps minimise labour time on site. In terms of performance and compliance, SPW+ meets PAS 24 security requirements and has been tested to BS 6375-1 for weathertightness and BS 6375-2 for operating forces and cyclic durability, supporting long-term reliability in demanding applications.

Suitable for window sizes up to 1500mm wide by 2400mm high, SPW+ is well suited to high-rise residential, education and healthcare schemes. Like all Senior systems, it is powder coated in-house to virtually any colour and manufactured within management systems certified to ISO 9001, ISO 14001, ISO 45001 and BES 6001 standards.