How To Measure For Attic Ladder

Basic space requirements for an attic ladder.

How to measure for attic ladder.

You can stand on the attic ladder to take. The next measurement will be for the length of the stairs. Place your tape measure flush with the ceiling directly to the side of the. Looking for a space adequate to this opening is your first step.

Measure the rough opening s width and length in three different spots at the top and bottom of the framing. Also make sure there is a suitable landing space in the attic so you can safely mount and dismount the ladder while carrying items. You ll need at least three critical measurements. Floor to ceiling height.

Most attic ladders cover a range of ceiling heights so it s important to know the exact measurement you re working with. So with a 24 on center and framing lumber being 1 1 2 thick the dimension between the inside edges of the two joists is 22 1 2 24 3 4 3 4. Because an attic ladder goes into your ceiling it s important to make sure that your ceiling and surrounding area are appropriate for the ladder you are considering. Measure the length from the hinged side of the attic ladder frame to the opposite side of the attic ladder frame.

Attic ladders are sized based on the rough opening. But louisville ladder attic ladders range from classic size 22 5 x 54 inches. Close the attic ladder up fully and place a stepladder underneath it. Full size attic ladders usually need an opening in the ceiling that is at least 22 1 2 x 54 inches.

For smaller attic ladder openings with a minimum measurement of 18 x 24 you will need to measure from the finished floor to the attic floor. Measure the width from the inside of the trim molding but outside of the attic ladder frame from the left side to the right side of the attic ladder frame. Make sure you accurately measure your opening size floor to ceiling height as well as swing clearance and landing space so you select a ladder that will fit the space you have. That s dimensions between the framing of your attic joists which is typically 24 on center.

You can watch a video or read this short article about how to measure the rough opening for an attic ladder. Place your measurement along the edge so that your measuring tape stays in a straight line. The rough opening for a full size attic ladder should be at least 22 5 by 54 inches. The rough opening is the length vs.

Width dimensions of the ladder when installed on the attic s floor. How to measure your attic ladder for a replacement step 1. Measure and verify the ceiling height which is the distance from the finished floor to the finished ceiling. First if there is an existing stairway measure from the outside to the outside of the existing box frame.