Having searched online for a simple design in the past i knew that there was literally not a single good article or resource on constructing a truly airtight attic hatch.
Build attic opening.
The access door also serves as a ceiling vent for removing fumes from the room to.
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.
Make sure to check your local building code for attic access size minimums to ensure that your finished opening will still meet these requirements.
Draw in the direction of ceiling joists and the stairway opening or attic ladder opening.
Transfer your measurements to quarter inch graph paper.
The ladder itself is two sections and folds and recesses into the ceiling.
The framed opening for an attic ladder usually measures about 2 feet by a bit more than 4 feet.
The mechanism is spring.
An attic access opening runs between the ceiling joists whenever possible.
Measure the width of the attic frame piece to tap another nail by the same joist in the ceiling.
Measure the size of the attic using a tape measure.