Measure and mark the stair opening dimensions required from either the room below or from the attic above.
How to trim out attic stairs.
Place a 1 by 4 inch piece of lumber along the top edge of the open middle section.
Pull down the folding attic stairs.
Choose a stair that fits into the smallest of these measurements and is long enough for your ceiling height.
Drive the 4 penny nails.
Align the short points of the 45 degree cuts with the inside corners of the frame at each end.
This step is necessary regardless of whether you re expanding an existing hatchway or creating new attic access.
Measure cut and.
You may have to trim to fit.
Measure and cut top side cut a 45 degree angle on a piece that will be used for the top of the attic stairs.
Use a reciprocating saw to cut joists and nails holding any joists that must be removed.
Inspect the room to decide the most convenient location for the attic stairs for a new stair installation or enlarge.
Mark rough opening of new fold down staircase on the ceiling joists in the attic.
How to cut legs for folding attic stairs 1.
Slice through the.
Fold open the top two sections but keep the final section folded up.
Snap chalk lines onto the ceiling to represent the rough opening of the attic staircase.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Nail trim to door jamb cut the second 45 degree angle on the first piece of trim and hold it in place along with.
Position the piece flat against the short side of the attic stair frame.
Then cut out the rough opening with a drywall saw.
How to trim an opening for your attic stairs 1.