Introducing Dualframe

Dualframe signifies a new era in aluminium fenestration, with products that have been specifically designed to comply with the changes to the Building Regulations which apply to thermal performance, both now and in the future.


Dualframe is an integrated aluminium door and window suite with ultra slim lines and beautiful styling, making it the perfect choice for use in both residential and commercial applications.


Designed using the latest thermal break technology

Dualframe complies to Part L of the Building Regulations using only hard coat, low emissivity glass with standard edge spacers to the double glazed units. Where required, Dualframe 75 casement can achieve an ‘A’


Window Energy Rating

Not only does Dualframe perform well, its elegant good looks are available in a vast choice of finishes and colours. Different colours can even be selected internally and externally for a perfect finish to any project


Product Range

  • Sliding Windows
  • Window Wall
  • 75mm Casement Window
  • 75mm Reversible Window
  • 75mm High Performance Entrance Door
  • Adaptors & Couplers






Dualframe 75 Casements

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. Vents are designed to accept the full depth Eurogroove to ensure compatibility with a wide range of industry standard hardware.


Kitemarked to BS7950 'Specification for enhanced security performance of casement and tilt/turn windows for domestic applications' and BS4873 'Specification for Aluminium Alloy Windows'.


Technical Information:

  • Can achieve an 'A' Window Energy Rating.
  • Can be internally or externally beaded.
  • Chamfered or 'softline' profiles available to achieve traditional or contemporary appearance.
  • Unique polyamide strip with integral bead retention leg to minimise external projection of the opening light (Patent applied for).
  • Meets Secured By Design specification.

Dualframe 75 High Performance Door

Suitable for both the domestic and light commercial markets, the Dualframe door can be used to achieve both traditional and contemporary styling.


Tested and awarded Kitemarks for PAS 23-1:1999 (General Performance

Requirements for Door Assemblies) & PAS 24-1:1999 (Enhanced Security Performance Requirements for Door Assemblies) for the open in, open out and the low threshold option (consult Sapa for relevant product specifications).


Unique patented polyamide strip with integral bead retention leg to minimise projection of door leaf profile. Stiles are designed to accept full length Eurogroove to ensure compatibility with a wide range of hardware.


Technical Information:

  • Options include internal or external glazing; standard or 'softline' frames; standard, heavy duty or anti-finger trap.
  • Weather rated low threshold cill option
  • Unique polyamide strip with full depth Eurogroove
  • Couples to Dualframe 75mm and 55mm systems, Dualframe roof, Monaframe system and Elegance 52 curtain walling
  • Meets Secured By Design specification

Dualframe 75 Reversible window

The Dualframe reversible window system has a wide range of applications where specifiers wish to incorporate windows that can be safely and completely reversed for cleaning.


Reversible sashes incorporate hardware which ensures balanced operation in use. Safety catches prevent inadvertent reversal. The reversing action does not interfere with items around the window, such as curtains, objects placed on window cills or reveals.


Vents are hung on top overswing hinges with integral restrictors which engage at initial opening stops and fully reversed position for safe cleaning.


Technical Information:

  • Internally beaded
  • Integral restrictors provide for safe operation
  • Will couple to other Dualframe 75mm systems
  • Direct fix top-hung window that fully reverses for ease of cleaning.
  • Can be combined with fixed lights and mullions.

Dualframe Window Wall

Dualframe Window Wall is a suite of profiles which in conjunction with other elements of the Dualframe range can be used to construct high performance single and double storey window walling.


Dualframe Window Wall can be constructed to form fixed and opening lights either as combination frames or as separate coupled lights.


Dualframe Window Wall can also be integrated with other products from the Dualframe range for a range of opening light options.


Dualframe Window Wall is suitable for installation in new build or replacement projects in residential, commercial or public buildings.


A wide range of polyester powder coat finishes is available to BS EN 121206:1 2004. Anodised finishes are to BS 3987 ade AA25 etch silver with a range of special anodised finishes on application.


Technical Information:

  • Size Limitations: Fixed lights - Maximum area 5 sq m
  • BS EN 10077-2: Thermal performance of windows, doors and shutters - calculation of thermal transmittance - Part 2: Numerical method for frames.
  • Weather performance is fully tested in accordance with BS6375:Part 1:1989 with "2400" Special exposure categories.