12in Cast Iron Septic Tank Cover – Heavy Duty, 11,023 lb Load
$85.99 on Amazon.com (as of October 20, 2026, 11:36 AM EST) View details ↗
Built for heavy-duty performance, this **12-inch cast iron septic tank cover** delivers unmatched durability and strength for residential and commercial applications. Crafted from high-grade ductile iron—stronger than standard cast iron—it resists corrosion, cracking, and wear, ensuring long-term reliability in harsh outdoor conditions. The reinforced design supports an **impressive 11,023 lb load capacity**, making it ideal for driveways, yards, and high-traffic areas where vehicles may pass overhead.
Safety and convenience are prioritized with a **non-slip surface** to prevent accidents in wet or icy conditions, plus a built-in groove for easy lifting with a hook or screwdriver. Whether protecting a septic tank, sump pump, irrigation valve, or distribution box, this cover safeguards your system from debris, weather, and vandalism while maintaining a clean, professional appearance. Its versatile compatibility extends to inspecting, cleaning, and maintaining underground utilities without compromising structural integrity.
| Load Capacity | 11,023 lbs |
|---|---|
| Material | Ductile iron |
| Diameter | 12″ |
| Installation Method | Fits standard 12″ manhole openings (check local design specs) |
| Surface Finish | Non-slip, textured |
| Compatibility | Septic tanks, sump pumps, irrigation valves, distribution boxes |






