Standard rough openings for typical attic pull down stairs.
Framing attic pulldown stairs.
22 1 2 x 54 for the smallest pull down stairway.
I install pulldown attic stairs in half the homes i build.
Fold down attic stairs provide convenient access to your attic without taking up space in the floor below the attic.
In new installations a rough.
Temporarily screw a pair of 1x3 cleats to the ceiling across the rough opening.
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.
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.
25 x 54 most common small width pull down attic stair.
You ll then use the ceiling joists to determine the final location.
30 x 54 for the largest width pull down stairway.
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.
You ll need at least three critical measurements.
25 1 2 x 64 often used for a longer pull down ladder attic access from a higher than standard ceiling.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Build a finished frame out of 1x8s to fit snugly into the opening.
Construct the opening frame photo by karim shamsi basha.
Determine the area where you want to place your stairs.
Roughing an opening for fold down attic stairs.
The easy part is framing the rough opening in the ceiling and hanging the stairs.
The width and length of the rough opening and the ceiling height.