Universal Square Drainage Grates

A square universal flat grate used for grass areas, flower beds, decks, driveways, golf courses, medians, etc. The square universal grate can be used with 3" and 4" Sewer and Drain Pipe (ASTM D2729), 3" and "4 Corrugated Pipe, 3" and 4" Triple Wall Pipe, 6" Sewer and Drain Fittings (SDR 35), and a 6" Round Catch Basin. Grate is designed to withstand pedestrian traffic.


  • Manufactured from structurally foamed High‑Density Polyethylene (HDPE)
  • UV stabilized to protect from sun degradation
  • Textured anti-skid surface
  • Load rated for pedestrian traffic¹
  • ADA compliant

¹ Maximum load rating based on basin encased in concrete and weight uniformly applied across entire grate surface

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