Garage Attic Opening Size

Also make sure there is a suitable landing space in the attic so you can safely mount and dismount the ladder while carrying items.

Garage attic opening size.

Unobstructed headroom of at least 30 inches must be available above the attic opening. An attic access opening runs between the ceiling joists whenever possible. Basic space requirements for an attic ladder. If mechanical equipment or appliances are housed in the attic there must be an unobstructed passageway large enough for the removal of the appliance.

Measure the rough opening in your ceiling both the width and length. Standard openings are 22 5 x 54 but some homes have wider openings. It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product. Conversely some homes have smaller openings or hatches.

The rough framed opening must be a minimum of 22 inches by 30 inches. Full size attic ladders usually need an opening in the ceiling that is at least 22 1 2 x 54 inches. 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.