WALLS AND WINDOW TREATMENTS 3(1+2)

Lesson 1 : Wall – A Building Envelope

Boundary walls & Retaining walls

Boundary walls:Boundary walls are thick walls and they are meant basically for protection and for barrier. Boundary walls include privacy walls, boundary-marking walls on property, and city walls. These intergrades into fences; the conventional differentiation is that a fence is of minimal thickness and often is open in nature, while a wall is usually more than a nominal thickness and is completely closed, or opaque

Retaining walls: Special type of wall, that may be either external to a building or part of a building, that serves to provide a barrier to the movement of earth, stone or water. The ground surface or water on one side of a retaining wall will be noticeably higher than on the other side.