I install pulldown attic stairs in half the homes i build.
Framing attic pulldown stairs.
The width and length of the rough opening and the ceiling height.
25 1 2 x 64 often used for a longer pull down ladder attic access from a higher than standard ceiling.
How do measure pull down attic stairs.
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.
Roughing an opening for fold down attic stairs.
Construct the opening frame photo by karim shamsi basha.
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.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
25 x 54 most common small width pull down attic stair.
Wood framing works particularly well for attics and is easy to install before an attic pull ladder kit.
Installing temporary support boards will also make the installation process easier.
Temporarily screw a pair of 1x3 cleats to the ceiling across the rough opening.
Standard rough openings for typical attic pull down stairs.
You ll need at least three critical measurements.
30 x 54 for the largest width pull down stairway.
Determine the area where you want to place your stairs.
In new installations a rough.
The easy part is framing the rough opening in the ceiling and hanging the stairs.
You ll then use the ceiling joists to determine the final location.
Installing temporary support boards will also make the installation process easier.
22 1 2 x 54 for the smallest pull down stairway.