The Ontario Building Code | Adjustments to Footing Widths for Exterior Walls

9.15.3.5. Adjustments to footing Widths for exterior Walls

(1) The strip footing widths for exterior walls shown in Table 9.15.3.4. shall be increased by,

(a) 65 mm for each storey of masonry veneer over wood frame construction supported by the foundation wall,

(b) 130 mm for each storey of masonry construction supported by the foundation wall, and

(c) 150 mm for each storey of flat insulating concrete form wall construction supported by the foundation wall.