Measure & Pricing Which size Majic Stairs do I need? To determine which Majic Stairs your installation requires, first we need the measurement in inches from the attic floor to the floor below (finished floor to finished floor). Not ceiling height! Range in Inches 96"-102" 103"-110" 111"-117" 118"-127" 128"-136" 137"-144" Over 144" Your Estimate = 12T $3,220 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = 13T $3,220 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = 14T $3,460 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = 15T $3,700 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = 16T $3,940 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = 17T $4,180 plus crating & shipping *all prices are for standard truss widths, Wide system available, please call for informationYour Estimate = Please call us here: (352) 446-6592 for custom size estimates. *all prices are for standard truss widths, Wide system available, please call for information