This section outlines some of the main requirements set out in the National building Code of Canada that affect energy efficiency and the usage of thermal insulation in the building envelope.

We will uncover how NBC 2015 establishes:

• What types of materials are permitted for use?
• How are materials supposed to be installed?
• How much heat flow resistance is required for for walls, roofs, and floors above and below ground?

NBC has 3 Compliance Path Options:

• Prescriptive Path,
• Trade-off Path, or
• Performance Path