All doors are located to avoid diagonal traffic paths across rooms. Outside doors are protected from rain and snow. Doors are wide enough to allow furniture to be carried through. Exterior doors are at least 36 inches wide to allow passage of a person using a wheelchair, walker, or assistance. Doors open into rooms they serve.
Outside doors have sturdy locks and peepholes.
All windows can be opened for natural ventilation. Larger windows are located on the south to take advantage of the sun and wind. Windows are large enough and low enough to allow easy escape in case of fire. All glassed areas are double glazed to save energy. Public entrance allows access without overexposure of the family within.