How To Measure For Attic Pull Down Stairs
Have your helper below note the measurement.
How to measure for attic pull down stairs. You ll need at least three critical measurements. We ll show you how to cut out frame the opening then install a fo. Cutting and bracing a new hole. That s dimensions between the framing of your attic joists which is typically 24 on center.
Standard size attic ladder kits are designed to fit between floor joists or trusses that have a 24 inch spacing on center. How to measure for attic stairs 1. The width and length of the rough opening and the ceiling height. When you find it remove the insulation from the area and determine.
Hold the tape. Measure the height or rise of the space you want to make stairs. Installing a pull down attic ladder is essential for safer easier access to your attic. You should also measure 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. For smaller attic openings with a minimum measurement of 18 x 24 you will need to measure the swing clearance inside the attic space. 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. The length is simply the dimension between the two pieces of lumber that form the end of the opening.
Next using an electric drill pop a screw up through the drywall in the ceiling. Using a tape measure make measurements of the total height of the space you want to make stairs from the bottom to the top. This means there is about 22 1 2 inches of open space between each joist pair. Measure and verify the amount of space available to swing out the stair sections of your ladder this extends beyond your attic opening.
This is called the rise of your measurements and will determine how high your stairs will go. 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. Once you re in the attic locate the screw. Extend the tape measure so that it reaches from the ceiling to the floor.
Note the measurement which is the width of the attic ladder. Determine the area where you want to place your stairs. How do measure pull down attic stairs.