Optio 58BW TSR window

Top swing reverse aluminium window from outside

Contribute to your cleaning strategy with our smart, stylish and trusted top swing reversable aluminium window


Easy to clean and effortless to operate, our ever-popular top swing reverse window increases thermal performance, improves safety and exceeds modern building design performance standards. Ideal for use in multi-storey structures, the window opens an impressive 180°, allowing completely pain-free pane cleaning from the safety and comfort of indoors.


  • Certified under the Secured By Design scheme
  • Tested to PAS 24
  • Green guide rated A
  • Integrated deep head profiles for ease of trickle ventilation
  • Unique polyamide thermal break design to improve thermal performance


  • Glazing 24mm – 28mm
  • Available in 70mm frame depth
  • Opening: open-out
  • Available in a range of single or dual colour and anodised finishes
  • Available in the following aesthetics: Bay and Chamfered
  • Available in the following configurations: top swing, side swing and multi-light


The 58BW TSR is a tried and trusted window system that delivers exceptional performance, functionality and safety.

This system is Green Guide ‘A’ Rating, making it an energy-efficient choice for refurbishment projects where warmth and comfort are paramount.

With excellent air permeability test results, this system will keep your home warm and comfortable, while allowing you easy access to the exterior glass for efficient cleaning.

Safe and extremely secure, this window system is certified under the Secured by Design scheme, and tested to PAS 24, which means it has been rigorously tested for your peace of mind.

The 58BW TSR range is available in available in Top Swing and Fix Light configurations for design flexibility. The frame depth is a standard 70mm.

As with all AluK aluminium systems, the 58BW TSR is available in single or dual colour powder coating, texture and anodised finishes.

Standard Technical Data
U value W/m²K 1.7 W/m²K
Air tightness (Pa) Class 4 (600 Pa)
Water tightness (Pa) Class 6A (250 Pa)
Wind load (Pa) Class A5 (2000 Pa)