The Ontario Building Code | Materials Materials

(1) The materials used in exterior insulation finish systems shall conform to CAN/ulc-S716.1, "exterior Insulation and Finish Systems (EIFS) – Materials and Systems".

(2) The substrate on which an exterior insulation finish system is installed shall,

(a) be compatible with that particular system, and

(b) comply with the structural requirements for sheathing materials set out in Section 9.23.