SAPA have Over four decades of design expertise, knowledge and passion which has gone into developing their window systems.

SAPA design their windows as they would like them in their own homes with slim, finely detailed frames that let in more light and are a pleasure to use every day.

Crown Casement Window Systems

Crown Casement Window


The Crown Casement Window System creates side or top hung windows and fixed lights as individual elements or as truly co-ordinated multi-light windows. The system's capabilities and range of options, including those providing structural performance, are particularly comprehensive and can accommodate a vast array of window designs.

Dualframe 75 Casement Window Systems

Dualframe 75 Casement Window


The Dualframe 75mm Casement is suitable for installation in new build or refurbishment projects, particularly residential, educational and light commercial applications. Standard or 'softline' transoms, mullions and outerframes are available to achieve a traditional or contemporary appearance.

Dualframe 75 Si Casement Window Systems

Dualframe 75 Si Casement Window


The Dualframe 75mm Si casement window suite is the first in a new generation of window and façade products. Utilising advanced polyamide thermal break technology, Dualframe 75mm Si provides high thermal performance without the need to resort to complex and costly sealed unit specifications.

Dualframe 75 Si Tilt-Before-Turn Window Systems

Dualframe 75 Si TBT Window


The Dualframe 75mm Si tilt before turn window suite is the first in a new generation of window and façade products. Tilt/turn windows are an ideal solution for high rise or commercial applications, combining ventilation with easy cleaning facilities and large span openings.

Dualslide Vertical Sliding Window Systems

Dualslide Vertical Sliding Window


Dualslide is the new solution to vertical sliding windows. Utilising advanced polyamide thermal break technology, Dualslide Vertical Sliding Windows provide high thermal performance without the need to resort to foam filled profiles or complex and costly sealed unit specifications.

Dualslide Horizontal Sliding Window Systems

Dualslide Horizontal Sliding Window


Dualslide is the new solution to horizontal sliding windows. Utilising advanced polyamide thermal break technology, Dualslide Horizontal Sliding Windows provide high thermal performance without the need to resort to foam filled profiles or complex and costly sealed unit specifications.

Avantis 95 PassivHaus Window Systems

Avantis 95 PassivHaus Window


"PassivHaus" is the worlds only performance based energy standard, dedicated to promoting sustainable architecture around the globe. The Avantis 95 system is the perfect aluminium system for high rise buildings with extremely low air infiltration (0.18m³/hm²), 10 times better than European standards (1.89 m³/hm²).