Gulf Coast - Spray foam. It's been around for decades. You've probably used it to patch holes under the sink or to seal gaps in your home. But it's taking on a much bigger role these days.

One man told the outlet that spray-foam insulation "should be banned" because it's "disgraceful"; another called for "tighter regulation on the product" and on the companies that install it.

Matt Covey, the fire prevention division chief with Halifax Regional Fire, urges homeowners to hire professionals to install spray foam insulation. If you're thinking about buying a do-it-yourself ...