Additionally a platform shall be immediatly to the edge of the opening that extends 32 x 24 and attached so that a person can come up through the hole and place their full body weight on it.
Attic hatch size ontario building code.
And joists 16 o c.
The ontario building code attic or roof space access.
Atticor roof space access.
The ontario building code access 9 19 2 1.
Solutions for the new code requirements r 42 attic access hatch fits between trusses 24 o c.
The ontario building code online.
Here s the full text of the code.
Lightweight door easy 1 person install alternative to pull down ladders e z hatch mark d.
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.
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.
The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.
Related provisions contained in the ontario electrical safety code.