This depends on the letterplate.
With our standard letterplates, the maximum door thickness is as follows:
- 74mm (Large & Small Pewter, Black, & Beeswax)
- 65mm (Large & Small Brass, Bronze, Chrome, Nickel, & Stainless Steel)
For our more decorative designs, the maximum door thickness is as follows:
- 60mm (Postal)
- 60mm (Art Deco)
For our Traditional Letterbox, a door thickness between 42-72mm is required.