A cement blanket (also known as a concrete blanket or flexible cementitious blanket) is an innovative prefabricated material that combines a durable textile matrix (typically woven or non-woven polyester) with dry cementitious compounds, creating a flexible, easy-to-deploy solution for rapid concrete construction. Its defining feature lies in its dual state: lightweight and malleable in dry form (allowing it to be cut, folded, or draped over irregular surfaces like slopes, pipes, or trenches) and hardening into a strong, durable concrete layer when activated by water (via spraying or immersion). This design eliminates the logistical challenges of traditional concrete—such as on-site mixing, heavy equipment requirements, and strict curing conditions—making it ideal for remote, time-sensitive, or hard-to-access projects. Key functions of a cement blanket include providing structural reinforcement (for retaining walls, culverts, or embankments), creating waterproof barriers (for canal linings, pond edges, or roof repairs), and preventing erosion (on riverbanks, slopes, or construction sites). It is widely used in applications like civil engineering (quick repairs for roads, bridges, or drainage systems), disaster response (temporary flood barriers or emergency shelter construction), agriculture (lining irrigation ditches to reduce water loss), and residential projects (small-scale retaining walls or patio foundations). Unlike traditional concrete, cement blankets offer faster installation (cutting project time by 50% or more), reduced labor costs, minimal waste (pre-measured cement content), and excellent adhesion to most surfaces. They also comply with industry standards (e.g., ASTM C1702) for strength and durability, ensuring long-term performance in harsh environments (resisting freeze-thaw cycles, chemical exposure, and UV damage). Whether for rapid infrastructure repair, erosion control, or cost-effective small-scale construction, a high-quality cement blanket is a game-changing solution in modern building, blending flexibility, efficiency, and reliability.