WAL-RICH's 4" Area Drain is constructed from high-quality cast iron (CI) and designed for caulk installation. This drain is perfect for managing surface water in various applications, including patios and driveways. Its robust design ensures durability and compliance with industry standards, making it suitable for both residential and commercial use. The 4" diameter allows for efficient drainage, while the caulk installation method provides a secure and watertight seal. This area drain is an essential component for effective water management.