Cladding is a noun. ... Nouns provide the names for all things: people, objects, sensations, feelings, etc.
Is cladding a noun?
CLADDING (noun) definition and synonyms | Macmillan Dictionary.
Is cladding a verb?
verb (used with object), clad, clad·ding. to bond a metal to (another metal), especially to provide with a protective coat.