Grout is a dense, specialized construction material used primarily to fill, seal, and secure the spaces or joints between adjacent tiles in flooring, wall, and backsplash installations. Composed typically of a mixture of cement, fine sand, water, and color pigments—or advanced epoxy and polyurethane resins in specialty products—grout locks tiles firmly in place, prevents lateral shifting under pressure, and blocks moisture and debris from infiltrating the underlying substrate. Available in sanded, unsanded, and pre-mixed formulations, grout plays a crucial role in providing both structural stability and a clean, finished aesthetic to residential and commercial tiling projects.
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