(1)  Flashing shall consist of not less than,

    (a)   1.73 mm thick sheet lead,

    (b)   0.33 mm thick galvanized steel,

    (c)   0.46 mm thick copper,

    (d)   0.46 mm thick zinc,

    (e)   0.48 mm thick aluminum, or

    (f)   1.02 mm thick vinyl.

Article 9.27.3.7 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.