The Ontario Building Code | Sliding Doors
188.8.131.52. Sliding doors
(1) Except as permitted by Sentence (2) an exitdoor leading directly to outdoorref ="http://thehandyforce.com/doors/" title ="Toronto Door installer">doors at ground level is permitted to be a sliding door provided it is released in conformance with Sentence 184.108.40.206.(1).
(2) An exit door serving a Group B, Division 1 occupancy, or an impeded egress zone in other occupancies, is permitted to be a sliding door that does not conform to Sentence 220.127.116.11.(1) provided it is designed to be released in conformance with Article 18.104.22.168.