Double Wall Corrugated (DWC) pipes, made of PE, are a cost-effective, high-quality solution for underground drainage and sewage systems. Manufactured per IS 16098 (Part-2), they have a smooth inner surface and corrugated outer wall, available from 75 mm to 500 mm in size with SN-4 and SN-8 stiffness. Lightweight, flexible, and resistant to abrasion, corrosion, and chemicals, they support heavy loads and are easy to install, making them a durable, long-term choice for diverse conditions.