Most homes have a 1 2 drywall panel installed in the attic access opening which is fine.
Required attic access opening.
Solutions for the new code requirements r 42 attic access hatch deluxe model with 4 point lock and recessed handleslock and recessed handles also available can be used in kneewalls dl edeluxe e zh t hz hatch mark d.
The 1 4 plywood panel at most attic ladders does not meet that standard.
Here s the full text of the code.
The type of attic access determines the means you can install for entrance into the attic.
If the attic space is smaller than these specs then an access hatch is not required.
Building codes according to the 2006 international residential code r807 1 attic access homes with combustible materials in the ceiling and roof construction must have an access to attic areas that exceeds 30 square feet and with a vertical height of.
Attic furnace access passageway and platform.
The access opening should be located in a hallway or other readily accessible location and minimum 22 x 30.
The ontario building code access 9 19 2 1.
There are several solutions.
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.
Attic furnace passageway and service area electrical requirement.
The rough framed opening.
But when you put something else in the opening it must be equivalent to 1 2 drywall which has roughly a 20 minute fire resistance.
Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet 2 8 m 2 the vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.