Mortar is serviceable glue used to tie building squares, for example, stones, blocks, and solid brick work units, fill and seal the unpredictable holes among them, and here and there include enhancing hues or examples in workmanship dividers. In its broadest sense mortar incorporates pitch, black-top, and delicate mud or mud, for example, utilized between mud blocks.

Mortars are normally produced using a blend of sand, a cover, and water.