Standard Attic Access Opening Dimensions

The rough framed opening must be a minimum of 22 inches by 30 inches.

Standard attic access opening dimensions.

Also make sure there is a suitable landing space in the attic so you can safely mount and dismount the ladder while carrying items. When any portion of the through wall access is below grade an areaway not less than 16 inches by 24 inches 407 mm by 610 mm shall be provided. The werner wood universal fit attic ladder features the werner wood universal fit attic ladder features a 250 lb. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.

A few have rails that telescope like an old fashioned shaving mirror. Some slide some fold. Weight capacity designed to fit ceiling heights from 8 ft. Access openings through the floor shall be a minimum of 18 inches by 24 inches 457 mm by 610 mm.

And standard ceiling openings of 22 5 in. 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. 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. Conversely some homes have smaller openings or hatches.

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 30 inches 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. You have your pick of wood aluminum or steel in different heights weights and load capacities. Looking for a space adequate to this opening is your first step.

The rough framed opening. Standard openings are 22 5 x 54 but some homes have wider openings. There are plenty of choices that will fit into an existing opening typically 22 or 25 inches by 54 inches. Built for safety this sturdy wood ladder makes it easy to access your attic with nine non slip steps and a convenient handrail for support while climbing.

Openings through a perimeter wall shall be not less than 16 inches by 24 inches 407 mm by 610 mm. Offers a large selection of attic ladders in various lengths and material they are designed to fit standard rough openings of. 22 1 2 x 54 25 x 54 25 1 2 x 64 and 30 x 54. 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.