Materials for Flashing

(1)  Materials used for flashing shall conform to Table 9.20.13.1.               

(2)  Aluminum flashing in contact with masonry or concrete shall be effectively coated or separated from the masonry or concrete by an impervious membrane.

Article 9.20.13.1 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.