Foundation Walls Permanent Form Material
(1) Insulating concrete form units shall be manufactured of polystyrene conforming to the performance requirements of CAN/ULC-S701.1, “Thermal Insulation, Polystyrene Boards”, for Type 2, 3 or 4 polystyrene.
Article 9.15.4.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.