Thickness of Flat Insulating Concrete Form Walls
(1) The thickness of concrete in flat insulating concrete form walls not in contact with the ground shall be,
(a) not less than 140 mm, and
=
(b) constant for the entire height of the wall.
Article 9.20.17.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.