HPCS is a family business lead by the team of Rod Stewart and Masumi Suzuki. Working together since 2002, they have set a very high standard of architectural conservation performance focused on buildings of national historic significance in both the United States and Canada, We are always on the lookout for opportunities to explore and research technical issues related to the longevity of plaster and stucco surfaces. Call us toll free at 1 888 624 2854.