Chris Frediani is joined by Dr. Glaire Gapper to discuss some of the history of lime and royal works in the UK. Claire talks about history of the materials, sourcing and how knowledge of the materials was shared. Philip Gaches, Heritage Plasterer, who has worked with Dr. Glaire Gapper phones in from America to discuss collaborating. Claire also talks about her favourite ceilings in listed buildings and the loss of most historic lime work over the centuries