Was going to echo this. There has been an explosion of building products/systems/technologies that make comparing to even just 20+ years ago difficult. A focus

Was going to echo this. There has been an explosion of building products/systems/technologies that make comparing to even just 20+ years ago difficult. A focus on energy efficiency and air quality also means that some old methods have been demoted from their status quo position of the past. Other products actually enable low skilled workers to do things that once required high skilled craftsmen.