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The 18" Square Catch Basin Galvanized Steel Grate is used for areas where water buildup occurs. Catch Basins catch and divert water to water-safe areas away from structures, erosion-prone landscapes, and poor drainage areas. Catch Basins are great for many residential and commercial applications because of the accumulation of excess surface water from the lawn, landscape, residential driveways, and garages. 18" Square Catch Basin Grate, Galvanized steel is suitable for light vehicular traffic when properly installed, suitable for both landscape and hardscape applications, and able to withstand normal abuse in landscaping applications. 5 psi maximum working pressure. 18" Square Catch Basin Grate, Galvanized steel is fade-resistant, rust-resistant, lightweight, and easy to install!

Heavy Duty Galvanized Steel Bar Grate.
Open surface area approx. 291.00 square inches.
731 GPM.
Fits 18x18 Catch Basins

Product type Grates
Material Galvanized Steel
Color Steel
Length 16.75
Width 16.75 in.
Height 1"
Weight 10.7800

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

Sell sheet: Metal Grates
Specifications Sheets: NDS Catch Basin Flow Capacities
Specifications Sheets: NDS Catch Basin Invert Table
Specifications Sheets: NDS Channel Drain Grate Flow Capacities Table