Bearing of Beams and Joists

(1)  The bearing area under beams and joists shall be sufficient to carry the supported load.

(2)  In no case shall the minimum length of end bearing of beams supported on masonry be less than 90 mm.

(3)  The length of end bearing of floor, roof or ceiling joists supported on masonry shall be not less than 40 mm.


Article Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE ( © Queen’s Printer for Ontario, 2021

Note: Joists are traditionally used in the construction of a floor to support the weight of the flooring and ceiling above. They are most often made of wood or metal. Joists can be either parallel or perpendicular to each other, depending on the design and layout of a building.