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. It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product. Basic space requirements for an attic ladder. 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. Looking for a space adequate to this opening is your first step.
The rough framed opening must be a minimum of 22 inches by 30 inches. If mechanical equipment or appliances are housed in the attic there must be an unobstructed passageway large enough for the removal of the appliance. Unobstructed headroom of at least 30 inches must be available above the attic opening. Standard openings are 22 5 x 54 but some homes have wider openings.
Full size attic ladders usually need an opening in the ceiling that is at least 22 1 2 x 54 inches. Conversely some homes have smaller openings or hatches. Measure the rough opening in your ceiling both the width and length.