The document provides an overview of different types of cladding systems. It defines cladding as an exterior finishing system that protects the underlying structure and provides decorative finish. There are many types of cladding including dry wall, wet wall, weatherboard, timber, stone, external foam, metal, concrete, and brick cladding. The major purpose of cladding is to separate the indoor and outdoor environments to maintain suitable indoor conditions by keeping water out, preventing air leakage, controlling light, heat radiation and conduction, and controlling sound.