NDS 1240 12" Round Drain Grate — Black, Structural Foam

Durable, lightweight 12" round drain grate designed for residential and commercial surface drainage. The NDS 1240 grate is molded from structural foam polyolefin with a UV inhibitor for long outdoor life and low maintenance.

• Material & finish: Structural foam polyolefin (HDPE variant) with UV inhibitor; rustproof and chemical-resistant.
• Dimensions: 12" diameter x 3-5/8" height; open surface area ~46.0 sq in; grate opening approximately 9/16".
• Performance: Flow capacity up to ~140.72 GPM; recommended load rating Class B (approx. 61–175 PSI) when installed per instructions.
• Compatibility: Fits 12" sewer & drain pipe, 12" corrugated pipe, and standard 12" catch basins and fittings.
• Installation & use: Lightweight and easy to set in place; can be secured or encased in concrete for higher load support; can be trimmed if necessary for fit.
• Applications: Ideal for driveways, patios, walkways, landscape areas and light-traffic curbside drainage.

Designed to collect and remove surface water while minimizing debris entry, this NDS 12" round grate balances open flow area with a heel-proof pattern. Periodic cleaning keeps performance optimal; follow local codes and the manufacturer’s installation guide for load-bearing installations and vehicular use.