Correct Answer:
Option D - Partition wall–A non-load bearing that sub-divides spaces within any story of a building or room.
Cavity wall–A cavity wall is made of two separate thin wall (usually built of brick and known as skins or leaves) with a gap (or cavity) between them. They are usually held together by metal wall ties.
D. Partition wall–A non-load bearing that sub-divides spaces within any story of a building or room.
Cavity wall–A cavity wall is made of two separate thin wall (usually built of brick and known as skins or leaves) with a gap (or cavity) between them. They are usually held together by metal wall ties.