Attic Hatch Size Ontario Building Code

The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.

Attic hatch size ontario building code.

The ontario building code attic or roof space access. Lightweight door easy 1 person install alternative to pull down ladders e z hatch mark d. And joists 16 o c. Atticor roof space access.

Here s the full text of the code. The ontario building code access 9 19 2 1. The icc code requires that the opening be 32 x 24 and rise at least 3 1 2 above the highest level of ceiling joist and or truss bottom cord. Access 1 everyattic or roof space shall be provided with an access hatch where the attic or roof space a measures not less than i 10 m in area ii 1 000 mm in length or width and iii 600 mm in height over at least the area described in subclauses i and ii or.

The ontario building code online. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and have a vertical height of 30 inches 762 mm or greater. 1 an atticor roof spacemore than 600 mm high shall be provided with access from the floorimmediately below by a hatchway not less than 550 mm by 900 mm or by a stairway. Related provisions contained in the ontario electrical safety code.