Bond is the interlacement of bricks, formed when they lay those immediately below or above them. It is the method of arranging the bricks in courses so that individual units are tied together and the vertical joints of the successive courses do not lie in same vertical line. Bonds of various types are distinguished by this elevation or face appearance. Bricks used in masonry are all of uniform size. If they are not arranged (or bonded) properly, continuous vertical joints will result. An unbounded wall, with its continuous vertical joints has little strength and stability. Bonds help in distributing the concentration loads over a larger area. Since bricks are small units, having uniform dimensions, the process of bonding is easily performed.
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