Notice: This site currently shows the 2012/2017 edition of the Ontario Building Code. The current legally effective code is the 2024 edition (O.Reg. 163/24), in effect since January 1, 2025. Confirm current requirements at ontario.ca.

The Ontario Building Code | Reinforcement for Flat Insulating Concrete Form Walls

9.20.17.2. Reinforcement for Flat insulating Concrete Form walls

(1) Horizontal reinforcement in above-grade flat insulating concrete form walls shall,

(a) consist of,

(i) one 10M bar placed not more than 300 mm from the top of the wall, and

(ii) 10M bars spaced not more than 600 mm o.c., and

(b) be placed in the middle third of the wall section.

(2) Vertical reinforcement in above-grade flat insulating concrete form walls shall,

(a) consist of 10M bars spaced not more than 400 mm o.c., and

(b) be placed in the middle third of the wall section.

(3) Vertical reinforcement required in Sentence (2) and interrupted by wall openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings shall be placed not more than 600 mm from each side of the opening.

In Plain Language

Flat ICF walls need reinforcement meeting the requirements set out in this article, ensuring the poured concrete core has adequate steel reinforcing.

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.