Welcome to GR. Pipes
**HDPE DWC Pipes** by GR. Pipes are **high-strength, double-wall corrugated pipes** designed for **sewerage systems, drainage, and electric cable protection**. These pipes feature a **tough outer corrugated layer for durability and a smooth inner layer for efficient flow**, ensuring **high load-bearing capacity, flexibility, and resistance to corrosion and chemicals**. Their **lightweight nature and easy installation** make them a cost-effective alternative to conventional piping solutions, widely used in **municipal, industrial, and telecommunication infrastructure projects**.