Vermiculite vs Modern Insulation: Safety, Performance, and What Homeowners Should Know

Contractor inspecting attic insulation in an older home using a flashlight

Vermiculite insulation was commonly used in older Calgary homes, but it does not perform or behave the same way as modern insulation materials. This article explains the key differences between vermiculite vs modern insulation, including safety considerations, energy performance, and why the comparison matters for homeowners planning renovations or upgrades.