A poultice method involving TRI-Funori™ and kozo tissue was used to clean two large (15,000 sq. ft.) coffered fibrous plaster ceilings at the Sir John A. Macdonald Building, a National Historic Site.
Sir John A. Macdonald Building: Mark Brandt, Architect, MTBA & Associates Inc.; Jean-Francois Furieri, Iconoplast Designs Inc.