Grouting for Caesar: The Vault Complex and High Level ...
2020-6-26 · Grouting. Mortar: 1.25 part lime putty 0.25 part black cement 1.5 part Arad sand 1.0 part tuff (0-2mm) 0.5 part ceramic (0-2mm) Add water until mortar is the consistency of a creamy liquid. Small aggregates minimize the risk of separation of the mortar’s elements and are easier on the pump used to inject the material.
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