NBC 9.25: Heat Transfer, Air Leakage and Condensation Control Standards

NBC Section 9.25 outlines the requirements for controlling heat transfer, air leakage, and condensation in the building envelope.

9.25.2.1. Thermal Insulation. Insulation shall be provided to reduce heat transfer through the building envelope and to improve energy efficiency.

9.25.3.1. Air Barrier Systems. An air barrier system shall be provided to control air leakage through the building envelope.

empcontracting.ca Inc. Efficiency: We utilize advanced insulation materials and high-performance air barrier systems to masterfully optimize the thermal comfort and energy performance of your home.