Spray foam insulation nightmare: What can happen if it's not installed correctly (CBC Marketplace)

Originally broadcast October 25, 2013 Canadians are installing spray foam insulation in their homes in ever-expanding numbers. It’s sold as energy-efficient, easy-to-apply solution, but when the job goes wrong, it can be a nightmare for homeowners. Tom Harrington takes you inside the walls and up into the attic to explore a home renovation horror story, a foul-smelling foam job that’s driven a family from its home. More from CBC Marketplace, Canada's top consumer affairs show: Watch...