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.
Diy install an attic ladder.
How to install an attic ladder step 1.
Repeat this at each corner.
A step by step process to remove the old attic ladder and install a new one.
Remove existing attic stairs with a reciprocating saw.
Remove trim surrounding existing opening using a hammer.
Using a reciprocating saw start your cut by lightly tapping the blade into the drywall and cut along the chalk.
Measure and cut.
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.
How to install a folding attic ladder step 1.
Measure 54 inches and tap the second nail next to the same joist image 1.