Preparation of Surface waterproofing

(1)  Surfaces to be waterproofed shall be prepared in accordance with the instructions of the waterproofing material manufacturer.

    (2)  Where the waterproofing material is to be applied on insulating concrete form (ICF) walls, the instructions of the ICF wall manufacturer shall be followed.

    (3)  Unit masonry walls that are to be waterproofed shall be parged on exterior surfaces below ground level with not less than 6 mm of mortar conforming to Section 9.20. coved over the footing.

    (4)  Concrete walls that are to be waterproofed shall have all holes and recesses sealed with mortar or waterproofing material.

    (5)  Surfaces required to be waterproofed shall be clean and dry and free of ice, snow, frost, dust, dirt, oil, grease, cracks, projections and depressions, loose particles and debris that could be detrimental to the performance of the waterproofing material.

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