Attic Hatch Size Ontario Building Code

The ontario building code attic or roof space access.

Attic hatch size ontario building code.

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 ontario building code access 9 19 2 1. Related provisions contained in the ontario electrical safety code. 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.

Atticor roof space access. 1 an attic or roof space more than 600 mm high shall be provided with access from the floor immediately below by a hatchway not less than 550 mm by 900 mm or by a stairway. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members. Solutions for the new code requirements r 42 attic access hatch fits between trusses 24 o c.

And joists 16 o c. Here s the full text of the code. 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. Lightweight door easy 1 person install alternative to pull down ladders e z hatch mark d.