Snap a chalk line between the two.
Diy install an attic ladder.
Remove trim surrounding existing opening using a hammer.
Place a small shim between the mounting rails and the platform legs to maintain spacing before tightening the lag screws that hold the mounting rails to the attic floor.
How to install an attic ladder.
Measure and cut.
How to install an attic ladder step 1.
Measure 54 inches and tap the second nail next to the same joist image 1.
Remove existing attic stairs with a reciprocating saw.
Attach temporary support boards to keep the ladder.
Adjust the mounting rails to line up center marks on the platform and outside the opening lengthwise.
Repeat this at each corner.
Using a reciprocating saw start your cut by lightly tapping the blade into the drywall and cut along the chalk.