Steel Windows & DoorsProduct specification sheet · 2 November 2026
External steel doors
MQ Presto steel doors
A 50 mm steel door system without a thermal break.

- Frame material
- Steel
- Application
- Non-thermally-broken door applications. We confirm thermal suitability before specifying this system for the exterior of a heated building.
- Thermal break
- No
- Profile depth
- 50 mm
- Glazing capacity
- Up to 26 mm overall
- Opening arrangements
- Single-leaf hinged · Double-leaf hinged · Inward opening · Outward opening
- Price
- Made to measure · confirmed quotation required
Features & options
- Galvanised steel profiles
- RAL powder coating
- No thermal break
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.
- This system has no thermal break. Thermal suitability for a heated building is confirmed before ordering.
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