How to "Knock Up" Lime Putty Mortar
This video shows how our High Calcium Lime Putty Mortar Mix needs to be "pounded" or "knocked up" before use, in order to achieve a workable consistency.
What Causes Mortar to Fail and Powder?
What causes mortar that has been intact for hundreds of years to suddenly turn to sand? This video demonstrates a case study of this very event, the cause, and the solution.