Exterior doors

Exterior doors, like windows, affect the appearance of a dwelling and are often selected on the basis of style and finish. Most manufactured exterior doors come as manufactured units pre-hung in their frames and ready for installation within a rough opening. Exterior doors are usually manufactured of wood, steel, plastic or fibreglass. Wood doors are […]
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Fire Block Materials

(1)  Except as permitted by Sentences (2) to (4) and (7) fire blocks shall remain in place and prevent the passage of flames for not less than 15 min when subjected to the standard fire exposure in CAN/ULC-S101, “Fire Endurance Tests of Building Construction and Materials”. (2)  Gypsum board not less than 12.7 mm thick and sheet […]
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Firewalls in Detached Garages

Firewalls in Detached Garages (1)  Where a garage is detached from the house or the individual dwelling unit it serves but attached to another garage on the adjacent property, the party wall so formed shall be constructed as a fire separation having a fire-resistance rating of not less than 45 min. Article 9.10.11.4 Ontario Regulation 332/12 […]
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Floors over Unconditioned Spaces

Floors over Unconditioned Spaces Floors over unheated crawl spaces or over garages must be insulated. It is common to fill the space between the floor sheathing and a gypsum board ceiling under the floor with insulation. Where there is no finished ceiling on the underside of the floor, the insulation must be supported (to prevent […]
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Footings Required

Footings Required (1)  Footings shall be provided under walls, pilasters, columns, piers, fireplaces and chimneys that bear on soil or rock, except that footings are permitted to be omitted under piers or monolithic concrete walls if the safe loadbearing capacity of the soil or rock is not exceeded. Article 9.15.3.1 Ontario Regulation 332/12 Building Code,   […]
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Garage Floor Slope

Garage Floor Slope (1)  Where an attached or built-in garage is provided, the garage floor shall be sloped to drain liquids to the outdoors. Article 9.35.2.2 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.
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