Alaska Administrative Code
Title 18 - Environmental Conservation
Chapter 31 - Alaska Food Code
Article 5 - Sanitation and Physical Facilities
18 AAC 31.545 - Walls and ceilings

(1) walls, ceilings, partitions, wall coverings, doors, and windows, including light fixtures, vent covers, decorative material, and wall-mounted fans or other equipment attached to walls and ceilings, are kept clean and in good repair and do not contaminate food or food containers;

(2) walls and ceilings in walk-in refrigerators, freezers, preparation, processing, and warewashing areas, toilet rooms, and janitorial rooms are light-colored, smooth, easily cleanable, and nonabsorbent;

(3) walls and ceilings in other areas are cleanable, in good repair, and do not contaminate food, containers, equipment, or utensils;

(4) studs, joists, and rafters are not exposed in preparation or processing areas; if studs, joists, or rafters are exposed in other areas, they must be clean and in good repair;

(5) exposed utility service lines and pipes do not obstruct the cleaning of walls and ceilings; and

(6) each servicing area is provided with overhead protection, except for areas used only for the loading of water or the discharge of sewage and other liquid waste, through the use of a closed system of hoses; in this paragraph, "servicing area" means an operating base location to which a mobile food unit or transportation vehicle returns regularly for vehicle and equipment cleaning, discharging liquid or solid wastes, refilling water tanks and ice bins, or boarding food.