Basics of Historic Mortars

Understanding the Basics of Historic Lime Mortars Will Prevent Costly Destruction

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This detail on a beautiful historic home in Lancaster, Pa. is now marred by an installer who did not understand the basics of historic mortars.  Even very skilled masons make the mistake of believing that one type of mortar can do it all, but Portland cement is not always the best choice.  Supplement your understanding of masonry with the learning pages below.

  • Review the essential qualities of a mortar.
  • Find out why sand is the overlooked KEY to a lime mortar’s success.
  • Know the 4 types of binders and where to use them.

 

SAND BASICS

BINDER BASIC

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