In new installations a rough.
Framing attic pulldown stairs.
You ll then use the ceiling joists to determine the final location.
How do measure pull down attic 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.
Standard rough openings for typical attic pull down stairs.
Installing temporary support boards will also make the installation process easier.
Determine the area where you want to place your stairs.
30 x 54 for the largest width pull down stairway.
25 x 54 most common small width pull down attic stair.
22 1 2 x 54 for the smallest pull down stairway.
Wood framing works particularly well for attics and is easy to install before an attic pull ladder kit.
25 1 2 x 64 often used for a longer pull down ladder attic access from a higher than standard ceiling.
Build a finished frame out of 1x8s to fit snugly into the opening.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Roughing an opening for fold down attic stairs.
Installing temporary support boards will also make the installation process easier.
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.
The easy part is framing the rough opening in the ceiling and hanging the stairs.
I install pulldown attic stairs in half the homes i build.
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.