Measure the size of the attic using a tape measure.
Build attic opening.
Transfer your measurements to quarter inch graph paper.
Draw in the direction of ceiling joists and the stairway opening or attic ladder opening.
The mechanism is spring.
Step 3 draw a chalk line from nail to nail.
The ladder itself is two sections and folds and recesses into the ceiling.
Make sure to check your local building code for attic access size minimums to ensure that your finished opening will still meet these requirements.
An attic access opening runs between the ceiling joists whenever possible.
Go up to the attic and with a hammer tap a nail through the ceiling by the joist as a starting place to cut your rough opening.
Measure the width of the attic frame piece to tap another nail by the same joist in the ceiling.
The framed opening for an attic ladder usually measures about 2 feet by a bit more than 4 feet.
In this video i will show you how to build and install a attic access door.