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Concrete Grout is a dense, flowable construction material used primarily for filling voids, cavities, and joints in masonry structures. It is composed of a mixture of cement, water, fine aggregate such as sand, and sometimes additives to improve flowability or strength. Unlike regular concrete, grout contains no large aggregates, which allows it to easily flow into and fill narrow or confined spaces such as the hollow cores of concrete masonry units (CMUs) or other block walls
Because of its high flowability and fine particle makeup, concrete grout can completely fill cavities, cores, and voids within masonry walls. This makes it ideal for reinforcing block walls by embedding rebar and fully surrounding it, which creates a monolithic structure when the grout hardens
When used to fill the hollow cores of block walls, concrete grout significantly enhances soundproofing.
Additionally, grouted walls are much stronger and more resistant to impact, vibration, and lateral loads than unfilled walls. The hardened grout bonds with the masonry units and reinforcement steel, increasing the overall rigidity and load resistance of the wall
Concrete Grout contributes to the load-bearing capacity of masonry walls. When used with vertical reinforcement bars placed in the cores of CMUs, grouted walls can carry significant vertical and lateral loads, making them suitable for structural applications in buildings, retaining walls, shear walls, and more.