The biggest trouble we see is unqualified people doing the insulation.
There are a couple of problems with what you call the underground economy. First, people who aren't qualified just set to work. They look at how the other guy is doing it and do the same. At the end of the day, the insulation is not as efficient as it should be. That insulation is going to be operating in that building for 30 years, and if it's not operating up to par, the meter is running on the energy that's being lost.
One of the other big problems we see, to tell the truth, is value engineering. It may be a term some of you are familiar with. In the construction industry, when you get to the end of a job and there are only a few tradesmen left on site and the money is getting tight—usually it's the insulators and the painters who are last—where are you going to cut back? You can't cut back on the paint because it's visible. The insulation is hidden behind the walls and in the boiler room, and nobody really sees it.
A good example of this, which you may recall, was the Olympic village fiasco a few years ago. They got to the end of that project, and they ran out of money and said, “Cut the insulation.”
Then you have, concealed in the walls, a hot water pipe and a cold water pipe, and neither is insulated. The cold water is sweating; the hot water is providing the heat, and all of a sudden you have mould. Before they moved the first person into the Olympic village, they created a boon for insulators and drywallers, who went in there, ripped off all that drywall, and did the insulation properly. That made headlines all over the world. That's one example of the undervalued attention that's paid to insulation. We think it's under everybody's radar, and we're trying to raise awareness.