I notice that in a lot of our modern construction the floor joists are manufactured joists, and there has been concern expressed in the past that they don't have the structural integrity. When your firefighters are entering a building—and that's more on a residential basis—how much of a concern is there also for the structural timber, that it doesn't have the structural integrity that you need it to have when you're entering a burning building?
On December 4th, 2017. See this statement in context.