How to install an attic ladder.
Diy install an attic ladder.
Measure 54 inches and tap the second nail next to the same joist image 1.
Repeat this at each corner.
Snap a chalk line between the two.
Remove trim surrounding existing opening using a hammer.
Measure and cut.
Adjust the mounting rails to line up center marks on the platform and outside the opening lengthwise.
Remove existing attic stairs with a reciprocating saw.
How to install an attic ladder step 1.
Tie ladder sections together to keep them from separating.
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.
Attach temporary support boards to keep the ladder.