30 x 54 for the largest width pull down stairway.
Framing attic pulldown stairs.
Standard rough openings for typical attic pull down stairs.
The width and length of the rough opening and the ceiling height.
Lower the frame down onto the cleats from above then fasten it to the framing with 16d nails or 1 4 inch diameter 3 inch lag screws.
Installing temporary support boards will also make the installation process easier.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Installing temporary support boards will also make the installation process easier.
Construct the opening frame photo by karim shamsi basha.
25 x 54 most common small width pull down attic stair.
Temporarily screw a pair of 1x3 cleats to the ceiling across the rough opening.
The easy part is framing the rough opening in the ceiling and hanging the stairs.
You ll need at least three critical measurements.
Fold down attic stairs provide convenient access to your attic without taking up space in the floor below the attic.
Wood framing works particularly well for attics and is easy to install before an attic pull ladder kit.
22 1 2 x 54 for the smallest pull down stairway.
Determine the area where you want to place your stairs.
You ll then use the ceiling joists to determine the final location.
How do measure pull down attic stairs.
Figuring out the angle of cut and the length of the lower stair section is the hard part and the installation guides aren t much help.
Roughing an opening for fold down attic stairs.
25 1 2 x 64 often used for a longer pull down ladder attic access from a higher than standard ceiling.
Next using an electric drill pop a screw up through the drywall in the ceiling as a reference point so that when you go up in the attic you ll be able to locate it and find the general location of the attic stair.