The St Astier Blog – all the latest news on our specialist repair schemes and related activities brought to you with a hefty dose of insight into the inner workings of our humble company.
Lindisfarne - Packing and Pinning
In order to create a hygral barrier and reduce the likelihood of mortar shrinkage, extensive pinnings, using thermalite block shards and natural stone, were set into the mortar.
Every joint, both internal and external, was pinned. The shards were set in the mortar and tapped back into the joint before being over-pointed prior to sneck harling. Even identical chases were pinned before internal lime plaster finishes.