E-1.1, r. 1 - Regulation respecting energy conservation in new buildings

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8. Vapour barriers, their installation, the installation of insulation materials and measures for preventing condensation shall comply with Articles 9.25.3.3, 9.25.3.5, 9.25.4.1(2) to 9.25.4.3, 9.25.4.8, 9.25.5.1 to 9.25.5.8, 9.25.6.1 and 9.25.6.2 of the National Building Code 1990.
O.C. 89-83, s. 8; O.C. 1721-85, s. 3; O.C. 1211-92, s. 2.