St. Patrick’s Cathedral is a well-known New York City landmark that is undergoing a large restoration effort. The Cathedral was completed in 1878. Restoration work includes cleaning and repointing all exterior stonework and repairing the stained glass windows. Limeworks.us is supplying all of the lime mortar using their Ecologic Mortar (SCG) F, which is made from St. Astier natural hydraulic lime and sand.
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