Keystone Traditional Masonry Inc. is a business specializing in traditional stone and brick work in Ottawa. Established in 1994, Keystone Traditional Masonry Incorporated has earned itself a reputation as a knowledgeable and respected masonry company that provides quality workmanship which will last for generations. We work primarily with traditional materials such as brick, limestone, sandstone and granite. Our skills include mortar colour matching, chimney repair, repointing with Heritage mortar mixes, stone and brick replacement, crack repair, and stone carving. Keystone Traditional Masonry Inc. has worked on many significant restoration projects such as the restoration of the Governor General’s Residence at Rideau Hall, the Ottawa City Hall Heritage Building, the masonry restoration of the Nativity Cocathedrale and many other well-known buildings.