Concrete hollow blocks are innovative building products that are used as substitutes for traditional bricks in building construction. They have an inner void area which is greater than 25% of their gross area and are available in various sizes and shapes. Concrete hollow blocks are machine-made and unaffected by weather conditions unlike the red bricks. They are used extensively in several Asian countries and worldwide, but in Bangladesh, the use of hollow blocks is still limited due to lack of awareness about the product. Concrete hollow blocks are mainly used for their durability, low cost, speed of construction, and eco-friendliness besides others.Here are some of the top advantages of using the concrete hollow block in construction.Highly durableCost-effectiveSpeedy constructionEnvironment-friendlyGreater earthquake resistanceComfortable interiors