Newmarket By-law 2017-62, s. 39.2 — Property Standards By-law

Every window located above the first storey in corridors, stairways, and other public areas of a Multiple Dwelling, that extends to less than 1070 Property Standards By-law 2017-62 mm (42") above the floor or landing, shall be protected by a Guard of at least 1070 mm (42") in height, having no openings large enough to permit the passage of a spherical object with a diameter of 100 mm (4") and having no member, attachment or opening, which will facilitate climbing, located between 100 mm (4") and 900 mm (35 1/2") above the floor or the bottom of the Guard.