In Part 1, we learned how a plaster on wood lath ceiling is made, how it functions as a loosely suspended system and how it deteriorates systematically over time. In Part Two, we find out how a residential contractor in Canada took an idea from the pioneer of architectural conservation and turned it into a state-of-the-art treatment method called plaster consolidation.
By understanding how a plaster ceiling functions as a system, Rod Stewart was able to figure out how and why it systematically deteriorates: