ceilings and overhead fixtures should be constructed and finished to minimize the build up of
dirt
• windows should be easy to clean, be constructed to minimize the build up of dirt and where
necessary, be fitted with removable and cleanable insect-proof screens. Where necessary,
windows should be fixed;
• doors should have smooth, non-absorbent surfaces, and be easy to clean and, where necessary,
disinfect;
• working surfaces that come into direct contact with food should be insound condition, durable
and easy to clean, maintain and disinfect. They should be made of smooth, non-absorbent
materials, and inert to the food, to detergents and disinfectants under normal operating
conditions.