Steel Windows & DoorsProduct specification sheet · 2 November 2026
Steel windows
MQ Unico XS Casement steel windows
Outward-opening top-hung and side-hung steel windows.

- Frame material
- Steel
- Application
- External outward-opening casement windows. Final sizes and hardware are confirmed in your specification.
- Thermal break
- Yes
- Profile depth
- 70 mm
- Glazing capacity
- Up to 42 mm overall
- Opening arrangements
- Outward-opening top hung · Outward-opening side hung
- Price
- Made to measure · confirmed quotation required
Features & options
- Two gaskets
- Galvanised steel profiles
- Stainless-steel thermal break
- Concealed fittings
- RAL powder coating
Reference thermal performance
Uw 1.03 W/m²K for the reference 900 × 1300 mm window with Ultimate frame, using glazing with Ug 0.5 W/m²K. This applies to the stated reference assembly; final performance is confirmed for your agreed dimensions and construction.
Before you order
- We confirm final sizes, glazing, opening arrangements, hardware and suitability in your project specification.
- Overall glazing capacity is separate from individual pane thickness. We confirm the compatible glass build-up for your assembly.
Glazing capacity does not confirm compatibility with every glass build-up. Final dimensions, opening arrangement, glass, hardware, finish and installation detail require technical review and approved drawings. This MQ summary is not a fabrication drawing, installation manual or warranty certificate.
MQ Modern Living17a Sutton Court Road, Sutton, SM1 4FG020 8770 7924 · sales@mqmodernliving.com