Steel Windows & DoorsProduct specification sheet · 2 November 2026
Internal steel doors
MQ Norm Slide internal steel sliding doors
Internal sliding steel doors with wall or ceiling mounting.

- Frame material
- Steel
- Application
- Internal sliding doors only.
- Thermal break
- No
- Profile depth
- 40 mm
- Glazing capacity
- Confirmed with your specification
- Opening arrangements
- Single-leaf sliding · Double-leaf sliding
- Price
- Made to measure · confirmed quotation required
Features & options
- Wall or ceiling mounting
- Maximum sash weight 120 kg
- Optional Silent-Stop soft closing
- RAL K7 powder coating
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.
- For interior use only. This standard product is not supplied as a certified fire door.
- Glass thickness and fabrication limits are confirmed in your specification.
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