||Measure undereave areas. Multiply length by width for each overhang (see Steps 1 and 2); add together.
||To determine the number of squares of soffit material required, divide the footage requirements from Step 1 by 100.
||Familiarize yourself with the accessory items and how they are used. Measure the total linear feet required for each of them.
||Mark all your measurements on the diagram you first did of your home. Record your final measurements.