Exposure type is related to the protection level of the
doorway. Less protection over a door requires a tougher
door to withstand the elements. Reeb stocks three durability levels of exterior wood doors -
good, better, and best durability.
Wood doors look really similar but their different construction techniques dictate the durability level of the door.
Durability is also directly related to the exposure of your home and which warranty your door will have.