Plastic Square Drainage Grates

A rugged square grate designed to be used in conjunction with a catch basin, this grate is manufactured from a structurally foamed High Density Polyethylene (HDPE) with a UV inhibitor to reduce sun damage. It has large opening slots for maximum flow while still preventing large debris from entering the drainage system. Typical application would be areas where floating debris would block a flat grate. For safety reasons, and to prevent vandalism or theft, the grate has two holes enabling it to be screwed onto the basin.

Features

  • Manufactured from structurally foamed High-Density Polyethylene (HDPE)
  • UV stabilized to protect from sun degradation
  • Textured anti-skid surface¹
  • Load rated for autos and light trucks at speeds less than 20 mph ¹,²
  • Includes two screw holes to secure to basin³
  • ADA compliant¹
     

¹ Flat grate only

² Maximum load rating based on basin encased in concrete and weight uniformly applied across entire grate surface

³ Use #6 1.5" long Phillips flat head stainless screws

Specs

9" Square Flat
9" Square Catch Basin (DB9S2)
9" Low-Profile Basin (DB9SLP)
3/8" 38 sq in 50 GPM 2,000 lbs
12" Square Flat
12" Square Catch Basins
(DB12S2 and DB12S4)
12" Low-Profile Basin (DB12SLP)
7/16" 53 sq in 70 GPM 3,000 lbs
18" Square Flat

18" Square Catch Basins
(DB18S2 and DB18S4)

15/32" 92 sq in 120 GPM 4,000 lbs
9" Square Atrium
9" Square Catch Basin (DB9S2)
9" Low-Profile Basin (DB9SLP)
3/8" 31 sq in 40 GPM NA
12" Square Atrium
12" Square Catch Basins
(DB12S2 and DB12S4)
12" Low-Profile Basin (DB12SLP)
7/16" 50 sq in 65 GPM NA

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