Heavy-Duty 20x12in Ductile Iron Driveway Drain Grate – 3PCS
$64.55 on Amazon.com (as of October 16, 2026, 12:07 AM EST) View details ↗
Upgrade your outdoor drainage with this **heavy-duty 20x12-inch ductile iron channel drain grate**, designed for high-traffic areas like driveways, garages, and industrial sites. Engineered from premium ductile cast iron, this rectangular grate combines **exceptional strength and corrosion resistance**—thanks to an anti-corrosive paint finish—to withstand years of exposure to moisture, chemicals, and heavy loads. Whether protecting against flooding in your yard or ensuring smooth water flow in a factory setting, this grate delivers **unmatched durability** while maintaining a sleek, black finish that blends seamlessly with any environment.
The **reinforced structural design** supports **vehicles and pedestrians** with ease, boasting a **load capacity of over 11,000 lbs**—far exceeding standard plastic or lightweight metal alternatives. The **hollow, dense grid pattern** effectively filters debris like leaves and branches, preventing clogs while allowing water to flow freely into the drainage system. Installation is straightforward, and the **lightweight yet sturdy construction** (under 40 lbs for the 3-piece set) makes handling and positioning effortless, even for single-person setups. Ideal for both residential and commercial applications, this grate ensures **long-term reliability** with minimal maintenance, making it a smart investment for property owners prioritizing safety and performance.
| Load Capacity | Over 11,000 lbs (5,000 kg) |
|---|---|
| Material | Ductile cast iron with anti-corrosive paint finish |
| Dimensions (per grate) | 20″ × 12″ × 2.5″ (L × W × H) |
| Weight (3PCS set) | Under 39.68 lbs (18 kg) |
| Compatibility | Standard outdoor channel drainage systems (check trench width for fit) |
| Color | Black |






