Requirements
Door Types
Swing Doors
Door Thickness
35 mm - 65 mm
[Contact us for other door thickness requirements]
Door Stile/Frame
- Door Stile requirement depends on the mortise backset chosen. Use one of the options below to calculate it.
Using Easy Calculator
Use our quick 'Backset Calculator' to find the best mortise backset option based on your current door.
Using Size Chart
| Mortise | Minimum Door Stile Width | Mortise Width / Cavity |
| Swing - 60mm | 96 mm | 91 mm |
|---|
No Measurements?
- For new standard doors with a Standard Stile (e.g. residential wooden door), the most commonly used is a '60mm Backset'.
- If unsure, please contact us or your door manufacturer to get door measurements and use our 'Backset Calculator' above.
- Other Specifications - See 'Specifications' section below for more details.