Once you re in the attic locate the screw.
How to measure for attic pull down stairs.
Cutting and bracing a new hole.
So with a 24 on center and framing lumber being 1 1 2 thick the dimension between the inside edges of the two joists is 22 1 2 24 3 4 3 4.
You ll need at least three critical measurements.
Have your helper below note the measurement.
Extend the tape measure so that it reaches from the ceiling to the floor.
Determine the area where you want to place your stairs.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Measure and verify the amount of space available to swing out the stair sections of your ladder this extends beyond your attic opening.
When you find it remove the insulation from the area and determine.
This is called the rise of your measurements and will determine how high your stairs will go.
This means there is about 22 1 2 inches of open space between each joist pair.
Next using an electric drill pop a screw up through the drywall in the ceiling.
How do measure pull down attic stairs.
Installing a pull down attic ladder is essential for safer easier access to your attic.
Stretch the tape measure over to the right side of the attic ladder door stopping at the inside edge of the trim molding on that side.
Leave room for extending the measuring tape.
Hold the tape.
Measure the height or rise of the space you want to make stairs.
The width and length of the rough opening and the ceiling height.
Place a tape measure at the left side of the attic opening on the inside edge of any trim molding but the outside of the actual attic ladder frame.
That s dimensions between the framing of your attic joists which is typically 24 on center.
Note the measurement which is the width of the attic ladder.
How to measure for attic stairs 1.
The length is simply the dimension between the two pieces of lumber that form the end of the opening.
We ll show you how to cut out frame the opening then install a fo.
Place your ladder securely below the ceiling hatch and lock it in place.
Standard size attic ladder kits are designed to fit between floor joists or trusses that have a 24 inch spacing on center.