The Ontario Building Code | Group F, Division 3, 1 Storey, Sprinklered
3.2.2.81. Group F, Division 3, 1 Storey, Sprinklered
(1) A building classified as Group F, Division 3 is permitted to be of heavy timber constructionor noncombustible construction used singly or in combination provided,
(a) except as permitted by Sentence 3.2.2.7.(1), the building is sprinklered,
(b) it is not more than 1 storey in building height, and
(c) it has a building area not more than 16 800 m2.
In Plain Language
A 1-storey, sprinklered Group F, Division 3 building can use heavy timber or noncombustible construction with area up to 16,800 m².
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.