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Definition of mortars

Short answer

Mortar is a workable paste of binding material (cement/lime), fine aggregate (sand), and water, used to bond masonry units, fill joints, and provide a level bed. It hardens to give strength and stability.

Define mortars.

Mortar is a workable paste obtained by mixing a binding material (cement, lime or clay) and a fine aggregate (sand, surkhi or cinder) with water in a fixed proportion. It is used to bind bricks or stones in masonry, to fill joints and to make plaster, pointing and flooring finishes. It hardens with time and gives strength and stability to the masonry.

Examples: cement mortar (1:4, 1:6), lime mortar, cement-lime (gauged) mortar and mud mortar.

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