If the access is located in the ceiling the minimum.
Attic opening size.
The rough framed opening must be a minimum of 22 inches by 30 inches.
The louisville ladders have opening dimensions of 22 5 by 54 inches it has a ceiling height that will fit 7 foot 8 inch up to 10 foot 3 inch ceilings and has a step depth which will fit even the customers with the broadest stepping depth it goes to 3 25 inches.
The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing.
Louisville ladder aa2210 sturdy and durable attic ladders.
The aa1510b aluminum compact attic ladder is lightweight and easy to open and close with the included assist pole.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
You ll need at least three critical measurements.
If the opening is located in a wall the 30 inch dimension must be vertical.
Conversely some homes have smaller openings or hatches.
Unobstructed headroom of at least 30 inches must be available above the attic opening.
18 in x 24 in sliding aluminum attic ladder with 250 lbs.
To mount assist arm on attic floor 3 4 in.
Tuesday january 28 2020.
The width and length of the rough opening and the ceiling height.
What is the minimum size for attic access opening.
It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product.
Measure the rough opening in your ceiling both the width and length.
Note about attic clearance.
Minimum clearance required behind opening.
Minimum clearance required above attic opening.
Deep minimum the full width of opening must be present in attic.
If mechanical equipment or appliances are housed in the attic there must be an unobstructed passageway large enough for the removal of the appliance.
You should know that it is made to be sturdy and safe since it.
Standard openings are 22 5 x 54 but some homes have wider openings.
Shop werner aa 7 ft to 9 83 ft.
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.
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.
