Attic Access Size Ontario Building Code

See the california mechanical code for access requirements where mechanical equipment is located in attics.

Attic access size ontario building code.

Solutions for the new code requirements r 42 attic access hatch exceeds all code requirements 22x30 pre finished white wood frame trim e zh t h triple gasketed air tight seal z hatch mark d. Where the access is located in a ceiling minimum unobstructed headroom in the attic space shall be 30 inches 762 mm at some point above the access measured vertically from the bottom of ceiling framing members. Existing 2006 building code provision s 9 19 2 1. The united states fire administration estimates that in just a two year period from 2006 to 2008 close to 10 000 residential attic fires occurred resulting in nearly half a billion dollars worth of damage.

What is the requirement for attic access and attic stairways. Conventional or home made stairways defects. The ontario building code access 9 19 2 1. Here s the full text of the code.

The ontario building code attic or roof space access 3 6 4 4. 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. What codes apply to the provision of attic stairs pull down stairs or attic access hatches. 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 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. Access 1 every attic or roof space shall be provided with an access hatch where the attic or roof space measures not less than a 10 m 108 ft2 in area. Fire as a cause of injury and death is the main reason for these restrictions. The type of attic access determines the means you can install for entrance into the attic.

Attic pull down stair hazards basement hazards. The vertical height shall be measured from the top of the ceiling framing members to. Defective unsafe folding stairs pull down. 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.