The Ontario Building Code | Showers
7.2.2.3. showers
(1) shower receptors shall be constructed and arranged so that water cannot leak through the walls or floor.
(2) Not more than six shower heads shall be served by a single shower drain.
(3) Where two or more shower heads are served by a shower drain, the floor shall be sloped and the drain located so that water from one head cannot flow over the area that serves another head.
(4) Except for column showers, when a battery of shower heads is installed, the horizontal distance between two adjacent shower heads shall be at least 750 mm.
In Plain Language
Shower receptors must be constructed and arranged so water can't leak through the walls or floor, and no more than six shower heads can be served by a single shower drain, ensuring adequate drainage capacity.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.