Kilsaran Hollow Cavity Blocks in a 215mm dimension are reliable building components for construction projects. Designed for structural efficiency and insulation, these blocks offer versatility in various applications. Their precise dimensions and high-quality construction make them ideal for creating sturdy and energy-efficient walls in both residential and commercial buildings. Concrete blocks are composed of Portland cement and aggregate, with high-density blocks possibly using sand and gravel, while low-density blocks may use industrial waste instead of aggregate. The blocks are available in a 215mm x 215mm x 440mm size, also known as a cavity block.