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NDS 1813 - 18" Catch Basin Grate, Cast Iron, Black

SKU 1813 NDS
Sale Sale
Original price $428.75
Original price $428.75 - Original price $428.75
Original price $428.75
Current price $324.15
$324.15 - $324.15
Current price $324.15
2 in stock.

Additional information

| Returns | Shipping |

18" Catch Basin Grates a proven alternative to traditional concrete drains. The NDS 1813 Heavy Duty Cast Iron grate is recommended for heavy duty pneumatic tire fork lifts and tractor trailers at speeds less than 20 m.p.h., maintenance-free, and easy to install. 18" Catch Basin Grate is used to helping to collect and remove excess water from driveways, commercial lots, and any other outdoor areas, designed for maximum durability.

  • Cast Iron
  • H-20 Rated
  • Grate Opening: 1" x 3"
  • Open Surface Area: 100.63 Sq. Inches
  • Grate Opening: 7/16”
  • ADA Compliant
  • 478.92 GPM
  • Class C Load Rated (175-325 PSI)
  • Designed For 18" Catch Basins
  • Product Class: 10ND

Heavy Duty Cast Iron Grate.
Open surface area approx. 100.50 square inches.
339 GPM.
H-20 Load Rating.
Fits 18x18 Catch Basins

Catalog & Brochures

Drainage Catalog


How do I choose the right size catch basin for my drainage system?
S5 Sustainable stormwater Solutions
Drainage Systems for Landscape and Yard: Using Catch Basins to Capture Run-off
S5 Intro
How do I prevent water from puddling in my planter area? NDS Yard Drainage Systems

Technical Information

Specifications Sheets: NDS Catch Basin Flow Capacities
Specifications Sheets: NDS Catch Basin Invert Table
Specifications Sheets: NDS Channel Drain Grate Flow Capacities Table

Customer Reviews

Based on 23 reviews

Ordered the wrong product how do return?

Carlos Gallegos

You could see that you cut and siliconed it together very unprofessional will not buy from you again inferior product


Thank you for taking the time to provide your feedback on our NDS 9303 - Slim Channel Fabricated 45 Gray. We apologize that you were not satisfied with your purchase. We want to assure you that all of our products are manufactured to the highest standards and are supplied as specified without any alterations. If you would like to discuss your concerns further, please don't hesitate to reach out to our customer service team. We value your opinion and hope to have the opportunity to regain your trust.

Mark S.
Master Landscape Supply Customer Service Team

Howard Forsberg

quick shipping and arrival. Thnaks

Thank you for your positive feedback! We're glad to hear that your order arrived quickly and we hope you are satisfied with your purchase. Thank you for choosing our product.


The product is good. Customer service is excellent.

David Hermosillo
As expected

The exact part I was looking for.

Thank you for your feedback! We're glad to hear that the NDS M2-SG-LID was exactly what you were looking for. We appreciate your business and hope to serve you again in the future. Have a great day!