Definition

A mixture of Portland cement or lime or a combination of both, sand, and water used to bind bricks, stones, and concrete masonry units together.

Things you need to know

Mortar mix types are categorized according to compressive strength, flexibility, and bonding properties. Mortar mixes made without Portland cement are used solely in the repair of old buildings. Type N mortar is the most commonly used for general purposes and is of medium strength.