Our design convention is to maximize use of the available space resulting in lowest area cost. Vaults do not provide this result. Single story plans provide the best opportunity to include vaults without serious cost penalty. Two story plans with vaults preclude the use of available space above the vault, resulting in an area cost penalty.
Our standard plans typically are drawn with flat ceilings. Generally, any standard multi-story plan can be vaulted, given the loss of space above the vault. Single story plans may be vaulted without penalty.
Our standard plans have nine foot ceilings on the first floor, providing the opportunity to frame down for tray ceilings to eight feet with few problems. Deeper or vaulted trays will present the same issues as vaults.
Custom designs frequently call for vaults and trays, and clean sheet design best accomodates these features. We have numerous designs on file which may be seen in Design Ideas.