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.

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