Mounts and why use them
The purpose of the mount board is to protect and provide a barrier from the glass or Perspex also proving a pleasant boarder, they are available in common shades of white or cream but also available with a choice of white core, black core and the elegance of a deep bevel mount will not discolour over time.
We only use Conservation mount boards Conservation grade mount boards are made from chemically purified wood pulp and then alkaline buffered acid free.