The lay discussion tends to be around convenience and air quality. Professional discussions with the fire marshal are about preventing explosions. Your person

The lay discussion tends to be around convenience and air quality. Professional discussions with the fire marshal are about preventing explosions. Your personal woodshop isn't going to have ten ten horsepower machines generating dust ten hours a day ten days in a row to get the big order out. And a spray booth spraying the good stuff next door. Ordinary amatuer experience is a consumerized version of industrial dust collection...the existence of the industrial dust systems is why consumer dust systems are practical. The only reason I mention all that here is because intelligent people like yourself don't have exposure to the big picture and because sometimes they wind up involved with ten the horsepower machines running all at once.