Engineering Tube on Instagram: "The process of filling the window frame with concrete for installation is known as window frame grouting or pouring, where a suitable concrete or grout mixture is carefully poured or pumped into the prepared window cavity to secure the frame in place, ensure stability, and provide insulation. Before pouring, the frame must be properly aligned and sealed to prevent leakage, and the concrete mixture should be designed for strength and workability. Once poured, the c