NDS 1212S 12-in Slotted Grate - Sand Polyolefin

The NDS 1212S is a 12" x 12" square slotted grate designed for residential and light-commercial surface drainage. Molded from UV‑stable polyolefin, this sand-colored grate resists fading, chemical exposure and corrosion while remaining lightweight and easy to install. It pairs with NDS 12" x 12" catch basins and is ideal for patios, driveways, pool surrounds and other outdoor areas where reliable surface water capture is required.

• Size: 12" x 12" (fits 12" x 12" catch basin series such as NDS 1200/1204).
• Material: UV‑stable polyolefin; chemical-resistant and rustproof for low maintenance.
• Pattern: Slotted openings designed to keep debris out while allowing efficient drainage.
• Flow Capacity: Approximately 155 gallons per minute at ½" head (per NDS specifications).
• Load & Use: Class B / light foot-traffic rating; suitable for patios, walkways and residential driveways.
• Dimensions & Fit: Roughly 11-3/4" length and width with approx. 1-1/8" profile height; keyed edges for secure fit.

This sand polyolefin grate offers a maintenance-free alternative to metal or concrete covers. Its UV inhibitors and chemical resistance extend service life in outdoor environments. For full engineering data, load ratings, and outlet options, refer to the manufacturer's NDS technical documents and catalogues.