Code Library › Volume 1 › Section 9.15 — Footings and Foundations
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.15.5.3.Pilasters

(1) Pilasters shall be provided under beams that frame into unit masonry foundation walls 140 mm or less in thickness. (2) Pilasters required in Sentence (1) shall be not less than 90 mm by 290 mm and shall be bonded or tied into the wall. (3) The top 200 mm of pilasters required in Sentence (1) shall be solid masonry with the cells of hollow or semi-solid units filled with mortar, grout or concrete.
← Previous9.15.5.2. Support of BeamsNext →9.15.6.1. Foundation Walls Below Ground

Common questions about this part of the code

What is the minimum footing size for a house in Ontario?How thick does a foundation wall need to be in Ontario?How deep do foundations have to be for frost protection in Ontario?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.