Construction codes of Ontario

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Required Barrier to Air Leakage

Required Barrier to Air Leakage (1) Wall, ceiling and floor assemblies that separate conditioned spaces from unconditioned spaces or from the ground shall be constructed so as to include an air barrier system that will provide a continuous barrier to air leakage, (a) from the interior of the building into wall, floor, attic or roof […]

Required Barrier to Vapour Diffusion

(1) Thermally insulated wall, ceiling and floor assemblies shall be constructed with a vapour barrier sufficient to prevent condensation in the wall spaces, floor spaces or attic or roof spaces. Article 9.25.4.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. A vapour Barrier is required for insulation installed between the […]

Required Sealants

Required Sealants (1) Sealant shall be provided where required to prevent the entry of water into the structure. (2) Sealant shall be provided between masonry, siding or stucco and the adjacent door and window frames or trim, including sills unless such locations are completely protected from the entry of rain. (3) Sealant shall be provided at vertical […]

Resistance to Forced Entry for Doors

Resistance to Forced Entry for Doors (1) Except for exterior doors to garages and to other ancillary spaces, this Article applies to, (a) swinging entrance doors to dwelling units, (b) swinging doors between dwelling units and attached garages or other ancillary spaces, and (c) swinging doors that provide access directly or indirectly from […]

Resistance to Forced Entry for Windows

Resistance to Forced Entry for Windows (1) In dwelling units, windows, any part of which is located within 2 m of adjacent ground level, shall conform to the requirements for resistance to forced entry as described in Clause 5.3.5 of AAMA/WDMA/CSA 101/I.S.2/A440, “NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights”. Article 9.7.5.3 Ontario […]

Scellant Materials

Scellant Materials (1) Sealants shall be, (a) non-hardening types suitable for exterior use, (b) selected for their ability to resist the effects of weathering, and (c) compatible with, and adhere to, the substrate to which they are applied. (2) Sealants shall conform to, (a) ASTM C834, “Latex Sealants”, (b) ASTM C920, “Elastomeric […]

Sealants, Trim and Flashing

Sealants, Trim and Flashing (1) The sealing compound used to seal the glass component of an insulating glazing unit to the sash component shall be compatible with the sealing compound used to edge seal the glass component. (2) Flashing used to protect openings shall conform to Articles 9.27.3.7. and 9.27.3.8. (3) Sealants shall be applied between […]