
Material Integrity
Industrial Dura-Coated Cast Iron construction. Complies with international standards for high-corrosive environmental resistance.
Square Type Planting Area Cleanout & Drain Cover
Square type planting runoff/cleanout. Combines an adjustable outer frame, heavy asphaltum cast iron receiver body, and a high dome with dual gravel-stops and SS mesh filters.
Technical Specifications
Engineering Features
- Adjustable top matches landscaping soil depth variations
- Provides double layers of gravel screening
- Large cleaning entry path under the dome cap
Bespoke Size & custom casting specs
Need a custom drainage length, width, high-discharge silt sieve, or special metallurgical alloy (e.g., solid brass, marine SS316, nickel-bronze)? Delta's master foundries forge bespoke components directly to your BIM requirements.
Related Solutions

Dome Type Planting Area Drain
Features a dura-coated heavy cast iron body with a bottom outlet. Outfitted with a combined waterproofing flashing clamp and high-clearance gravel guard. Encased in a tightly woven stainless steel mesh screen over the dome to stop silt.