Construction codes of Ontario

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Minimum Depth of Foundations

Minimum Depth of Foundations (1) Except as provided in Sentences (4) to (7), the minimum depth of foundations below finished ground level shall conform to Table 9.12.2.2. (2) Where a foundation is insulated in a manner that will reduce the heat flow to the soil beneath the footings, the foundation depth shall conform to that required for […]

Minimum Depth of Foundations Table

Minimum Depth of Foundations Table Table 9.12.2.2.Minimum Depths of Foundations Forming Part of Sentence 9.12.2.2.(1) Notes to Table 9.12.2.2.: (1) Foundation not insulated to reduce heat loss through the footings. (2) Including foundations containing heated space insulated to reduce heat loss through the footings.(3) Good soil drainage to not less than the depth of frost penetration. Table 9.12.2.2 […]

Moisture Protection for Interior Finishes

Moisture Protection for Interior Finishes (1) The interior surface of foundation walls below ground level shall be protected by means that minimize the ingress of moisture from the foundation wall into interior spaces where, (a) a separate interior finish is applied to a concrete or unit masonry wall that is in contact with the soil, […]

Mortar and Grout Mixes

Mortar and Grout Mixes (1) Mortar types shall conform to Table 9.20.3.2.A. (2) Mortar for glass block masonry shall be, (a) Type S Portland cement-lime where exposed to the exterior, or (b) Type S or N where protected from the exterior. (3) Mortar mix proportions shall conform to Table 9.20.3.2.B., with sufficient water to bring the […]

Mortar Joints Thickness

Mortar Joints Thickness (1) Except as provided in Sentence (2), mortar joint thickness for burned clay brick and concrete masonry units shall be 10 mm. (2) Permitted tolerances in head and bed joints shall be -5 mm to +10 mm. Article 9.20.4.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes […]

Mortar Materials

Mortar Materials, (1) Cementitious materials and aggregates for mortar and grout shall comply with CSA A179, “Mortar and Grout for Unit Masonry”. (2) Water and aggregate shall be clean and free of significant amounts of deleterious materials. (3) Lime used in mortar shall be hydrated. (4) If lime putty is used in mortar, it shall be […]

Mortar Mix Proportions (by Volume)

Mortar Mix Proportions (by Volume) Table 9.20.3.2.B.Mortar Mix Proportions (by Volume) Forming Part of Sentence 9.20.3.2.(3) Table 9.20.3.2B. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.