(1) A floor covering such as carpeting or similar material may not be installed as a floor covering in food preparation areas, walk-in refrigerators, warewashing areas, toilet room areas where handwashing sinks, toilets and urinals are located, refuse storage rooms, or other areas where the floor is subject to moisture, flushing or spray cleaning methods.

(2) If carpeting is installed as a floor covering in areas other than those specified under subsection (1) of this section, it must be:

(a) Securely attached to the floor with a durable mastic, by using a stretch and tack method, or by another method; and

(b) Installed tightly against the wall under the coving or installed away from the wall with a space between the carpet and the wall and with the edges of the carpet secured by metal stripping or some other means.