John Tiedemann Incorporated (JTI) is a three-generation, family-owned company that has specialized in restoring historic buildings for more than 50 years.
JTI has put together a talented staff of designers, plasterers, painters, faux finishers, artisans and fine artists who bring experience, skill and passion to every job we undertake.
We have worked closely with churches for more than 50 years to eliminate the high cost of scaffolding. Our patented “Boom” Technology enables us to provide a variety of services to accomplish a comprehensive interior restoration – from design to finishes. Our expertise is unmatched in this field.
50+ Years Restoring and Decorating Churches and Historic Buildings
Featured Projects
St. Ann Church
St. Ann Church, Hoboken, New Jersey (1927) The new Church of St. Ann was opened on December 12, 1927. The…
JTI Systems & Tools
Application Systems
In partnership with HPCS, JTI has been actively engaged in the development of new conservation techniques, creating a growing catalog…
Saving Historic Plaster
The Importance of Plaster Conservation
Across America, there are literally thousands of historic buildings with ornate plaster ceilings of enormous cultural and aesthetic value.