Exterior Surface Area Is Too Large
You used mass floors to divide a mass. In a schedule, tag, or instance properties, you notice that the exterior surface area for the uppermost mass floor of the mass is disproportionately larger than for the other mass floors.
Exterior Surface Area Is Too Small
You used mass floors to divide a mass. In a schedule, tag, or instance properties, you notice that the exterior surface area for the mass floors is not as large as you expect it to be.
Gross Floor Area Is Not Available for a Mass Floor Schedule
You want to create a mass floor schedule that includes the gross floor area of the mass. However, the Gross Floor Area field is not listed on the Fields tab of the Schedule Properties dialog.
Mass Gross Surface Area Is Too Small
In a schedule, tag, or instance properties, you notice that the gross surface area for a mass is not as large as you expect it to be.