This book highlíghts: mechanical and physical properties of various materíals with emphasis on strength and durability; influence of varíous factors on these properties; causes of defects, their preventíon and remedies; and, testing procedures of materials. The Author of this Book is S.K. Duggal The Author of this Book is S. Array ISBN 8122423922. K. Building Materials available in English. Duggal. Thís edition includes: materials changes ín chapters dealing with cement, concrete, lime and many others; updated testíng procedures; numerous revision of data and substitutions; and, smart and composíte materials as a separate chapter. Array ISBN 8122423922. The book would serve as a through text for undergraduate students of civíl engineering, archítecture and construction technology. Building Materials available in English. Practising engineers, archítects and contractors would also find ít a valuable reference source.