Attic Access Hatch Size

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 access hatch size.

Measure the rough opening in your ceiling both the width and length. 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 access 9 19 2 1. It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product for your home.

If you only need to access your loft on rare occasions such as to get christmas decorations down once a year this is a. The type of attic access determines the means you can install for entrance into the attic. Minimum opening size 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. The werner wood universal fit attic ladder features the werner wood universal fit attic ladder features a 250 lb.

Here in canada our minimum attic insulation requirement is r 40 that s a metric u value of 0 142 if you re in europe or actually using the units we re supposed to be in canada. And standard ceiling openings of 22 5 in. Standard openings are 22 5 x 54 but some homes have wider openings. Here s the full text of the code.

Conversely some homes have smaller openings or hatches. Weight capacity designed to fit ceiling heights from 8 ft. If the attic space is smaller than these specs then an access hatch is not required. Standard loft hatch sizes can only really be used with a traditional extension ladder that is placed inside the framework of the loft hatch to allow you to climb in and out of the loft.

Before installing the attic access hatch you will want to insulate the backside of it before putting everything in place.