What is Concrete Hollow Block? The concrete hollow block is the pre-cast concrete element produce to cast cheap and light construction elements like a lightweight concrete slab, lightweight wall, Stormwater channel etc. Hollow blocks have one or more hollow cavities and are designed with smooth or rough sides. It is also known as CHB (Concrete Hollow Blocks). Concrete hollow blocks could be produced with several concrete grads or classes as per the applications. Hollow Concrete Blocks. According to the requirement, Concrete hollow blocks can be manufactured. It is also known as concrete masonry units or concrete slab units. The selection of…