Wall material is a term used to describe the materials used to construct walls. STUCCO (6 letters) is a plaster-like material made from cement, sand, and water that is applied to walls and ceilings. STONE (5 letters) is a natural material that is often used for walls, either as large blocks or small tiles. Paneling (8 letters) is a type of wall covering made from thin sheets of wood or other materials.