Standard openings are 22 5 x 54 but some homes have wider openings.
Opening size for attic ladder.
Stretch the tape measure over to the right side of the attic ladder door stopping at the inside edge of the trim molding on that side.
Also make sure there is a suitable landing space in the attic so you can safely mount and dismount the ladder while carrying items.
Universal fit wood attic ladder with 250 lb.
There are plenty of choices that will fit into an existing opening typically 22 or 25 inches by 54 inches.
This attic ladder is quite easy to install and it is made out of good quality wood.
This ladder also has an adjustable height which means that it can easily adjust to fit ceiling heights spanning from 7 feet and 10 inches and 10 feet and 1 inch in diameter.
Choose the right attic ladder s ceiling height.
Conversely some homes have smaller openings or hatches.
The aa1510b aluminum compact attic ladder is lightweight and easy to open and close with the included assist pole.
Place a tape measure at the left side of the attic opening on the inside edge of any trim molding but the outside of the actual attic ladder frame.
The rough opening dimensions of this attic ladder are 30 by 54 inches.
Looking for a space adequate to this opening is your first step.
9 ft 18 in.
You can watch a video or read this short article about how to measure the rough opening for an attic ladder.
The rough opening is the length vs.
Compact aluminum attic ladder with 250 lb.
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.
First if there is an existing stairway measure from the outside to the outside of the existing box frame.
The rough framed opening.
Choosing the right.
Installs into small openings for access to untapped storage space.
Some slide some fold.
10 ft 22 5 in.
Ideal for hallways closets and other tight spaces.
Now it s time to measure the ceiling to floor height.
You have your pick of wood aluminum or steel in different heights weights and load capacities.
A few have rails that telescope like an old fashioned shaving mirror.
Note the measurement which is the width of the attic ladder.
Do not measure the inside of the box frame and as that is not a true rough opening measurement.
Full size attic ladders usually need an opening in the ceiling that is at least 22 1 2 x 54 inches.
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.
Basic space requirements for an attic ladder.
Choosing the right attic ladder choose the right attic ladder s rough opening dimensions.