Div. B › Part 9 › 9.15 › 9.15.4 — Foundation Walls

9.15.4.1 — Permanent Form Material

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(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.
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