Place a tape measure at the left side of the attic opening on the inside edge of any trim molding but the.
How do you measure attic stairs.
Have your helper below note the measurement.
The width and length of the rough opening and the ceiling height.
You ll need at least three critical measurements.
Leave room for extending the measuring tape.
Using a tape measure make measurements of the total height of the space you want to make stairs from the bottom to the top.
Position a step ladder under the attic stairs so that you can easily access the ceiling area.
How to measure for attic stairs 1.
You can stand on the attic ladder to take.
How to measure your attic ladder for a replacement step 1.
Measure the rough opening s width and length in three different spots at the top and bottom of the framing.
Place your ladder securely below the ceiling hatch and lock it in place.
Attic ladders are sized based on the rough opening.
Stretch a tape measure along one of the long sides of the stair opening and write down the measurement.
For smaller attic openings with a minimum measurement of 18 x 24 you will need to measure the swing clearance inside the attic space.
Measure the height or rise of the space you want to make stairs.
We ll show you how to cut out frame the opening then install a fo.
Close the attic ladder up fully and place a stepladder underneath it.
Extend the tape measure so that it reaches from the ceiling to the floor.
Installing a pull down attic ladder is essential for safer easier access to your attic.
You should also measure the ceiling height.
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.
Measure the length from the hinged side of the attic ladder frame to the opposite side of the attic ladder frame.
Place your measurement along the edge so that your measuring tape stays in a straight line.
Hold the tape.
Measure and verify the amount of space available to swing out the stair sections of your ladder this extends beyond your attic opening.
The next measurement will be for the length of the stairs.