Step 1fully extend the folding section of the stairway.
How to install folding attic stairs.
Remove existing attic stairs with a reciprocating saw.
Step 2fold the bottom section of the stairway under the middle section so that the top and middle sections form a straight line fig.
Then use a wrench to tighten the threaded ladder rods that pass beneath each tread.
Pull the stairs down until the hinges are extended image 1.
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Use a reciprocating saw to cut joists and nails holding any joists that must be removed.
Remove trim surrounding existing opening using a hammer.
Step 3measure distance a and mark the distance on the a side of the bottom stringer.
Secure each pine tread with four screws.
Leave out the top three treads so you can easily fit the staircase between the header guide frame mounted above the door panel.
Place attic assembly on supports.
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Press down on the stairs to ensure full extension.
Make sure you measure your hieght to buy the correct one.
Check that the assembly is level and shim between the stair frame and joists.
Make sure you have someone helping from the garage level so you don t get stuck in the attic.
How to install a folding attic ladder step 1.
Slip the stair treads into the angled dadoes milled in the two stringers.
Determine the area where you want to place your stairs.
Do not extend the legs to the floor yet.
Next using an electric drill pop a screw up through the drywall in the ceiling as a reference point so that when you go up in the attic you ll be able to locate it and find the general location of the attic stair.
You ll then use the ceiling joists to determine the final location.
Cut around ceiling trim with a utility knife.