Waterproof Wall Finish -Where Required

(1)  Waterproof finish shall be provided to a height of not less than,

    (a)   1 800 mm above the floor in shower stalls,

    (b)   1 200 mm above the rims of bathtubs equipped with showers, and

    (c)   400 mm above the rims of bathtubs not equipped with showers.

Article 9.29.2.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only