Different copper alloys, such as: tin bronze (copper, tin), leaded bronze (copper, tin, lead), leaded brass (copper, zinc, lead), quaternary bronze (copper, tin, zinc, lead).


Fastening a softer metal by pressing or hammering it into recesses in a harder metal, usually of a different colour.

Wooden Structure

The majority of the doors consist of a wooden base onto which the individual metal parts are nailed. The wooden base can be made of different types of wood such as chestnut, pear or yew.