Construction codes of Ontario

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Framing around Openings

Framing around Openings (1) Roof and ceiling framing members shall be doubled on each side of openings greater than two rafter or joist spacings wide. Article 9.23.13.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Framing for a basement window

Framing for a basement window The rough framing for basement windows, doors and other openings, as show in Figure 38, may be installed at the time the foundation wall formwork is erected. Measure and check the diagonals of the frames to ensure that the frames are square. The framing should be properly braced to keep […]

Framing for Floor Openings where Double Headers and Double Trimmers are used

Framing for Floor Openings where Double Headers and Double Trimmers are used When framing for large openings such as stairwells or fireplaces, the trimmer joists must be doubled if they support header joists (joists into which other joists are framed) more than 800 mm (32 in.) long. Header joists longer than 1.2 m (4 ft.) […]

Framing for Plumbing systems

Framing for Plumbing systems The installation of the plumbing system usually begins after the framing is complete. The initial work is called “roughing-in” and includes installing plumbing vents and drains and all hot and cold water piping that will be enclosed in the walls and ceilings and under the basement floor. Since the bathtub must […]

Framing Supported on Flat Insulating Concrete Form Walls

Framing Supported on Flat Insulating Concrete Form Walls (1) Floor joists supported on the side of flat insulating concrete form walls shall be supported with joist hangers secured to wood ledger boards. (2) The ledger boards described in Sentence (1) shall be not less than, (a) 38 mm thick, and (b) the depth of […]

Framing Supported on Flat Insulating Concrete Form Walls

Gable-End Framing and Projections

Gable-End Framing and Projections After roof framing members have been installed, the gable-end studs are nailed in place. Studs in unfinished attics can be placed with the wide face parallel to the wall. Cut the ends of the studs to fit the angle of the rafter and toenail them to the wall plate and to […]