The function of a wall is to enclose and protect a building or to divide space within a building.
To provide a check that a particular wall construction satisfies a range of functional requirements it is convenient to adopt a list of specific requirements. The commonly accepted requirements of a wall are:
Walls Strength and stability
Walls Resistance to weather and ground moisture
Walls Durability and freedom from maintenance
Walls Fire safety
Walls Resistance to the passage of heat
Walls Resistance to airborne and impact sound Security