The width and length of the rough opening and the ceiling height.
Framing attic pulldown stairs.
Construct the opening frame photo by karim shamsi basha.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Wood framing works particularly well for attics and is easy to install before an attic pull ladder kit.
30 x 54 for the largest width pull down stairway.
Build a finished frame out of 1x8s to fit snugly into the opening.
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.
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.
Standard rough openings for typical attic pull down stairs.
Installing temporary support boards will also make the installation process easier.
In new installations a rough.
Determine the area where you want to place your stairs.
25 x 54 most common small width pull down attic stair.
22 1 2 x 54 for the smallest pull down stairway.
I install pulldown attic stairs in half the homes i build.
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.
Fold down attic stairs provide convenient access to your attic without taking up space in the floor below the attic.
You ll need at least three critical measurements.
How do measure pull down attic stairs.
Roughing an opening for fold down attic stairs.
Installing temporary support boards will also make the installation process easier.
The easy part is framing the rough opening in the ceiling and hanging the stairs.