cladding vs facing

cladding and facing both are nouns.

Word	Noun	Adjective	Verb	Adverb
cladding	Yes	No	No	No
facing	Yes	No	No	No

As nouns, cladding and facing are synonyms defined as:

cladding and facing: a protective covering that protects the outside of a building

cladding (noun)	facing (noun)
a protective covering that protects the outside of a building	providing something with a surface of a different material
	a protective covering that protects the outside of a building
	a lining applied to the edge of a garment for ornamentation or strengthening
	an ornamental coating to a building