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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • Polylok
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
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  • A-FOAM-0336 Stainless Steel 3x36

    Bronze Age™ TDS-FOAM-0312-L Foam 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-FOAM-0312-L Foam 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • Stainless Steel Perforated 4"grate

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    Regular price $989.16 USD
    Regular price Sale price $989.16 USD
    Unit price /  per 
  • Spee-D BA Foam Stainless Steel Grate

    Bronze Age TDS-FOAM-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-FOAM-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Regular price $312.39 USD
    Regular price Sale price $312.39 USD
    Unit price /  per 
  • P6-PS ZURN Z886 Stainless Steel Perforated Heelproof ADA Grate_Class A

    ZURN P6-PS ADA Perforated Stainless Steel Grate Heel Proof 6" x 40" (Nominal) | Class A

    ZURN P6-PS ADA Perforated Stainless Steel Grate Heel Proof 6" x 40" (Nominal) | Class A

    Regular price $305.60 USD
    Regular price Sale price $305.60 USD
    Unit price /  per 
  • POLYCST 600-SS Edge and DG0633 SS SQUARE DECO grate

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    Regular price From $327.18 USD
    Regular price Sale price From $327.18 USD
    Unit price /  per 
  • ULMA Stainless Steel Perforated Grate IP100KCA 440_IP100KCAM 441

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Sale

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Regular price $107.66 USD
    Regular price $138.42 USD Sale price $107.66 USD
    Unit price /  per 
    Sale
  • NDS-Dura-Slope-DS-670-TDSdrains light gray perforated

    NDS DS-670 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - LIGHT GRAY

    NDS DS-670 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - LIGHT GRAY

    Regular price $66.70 USD
    Regular price Sale price $66.70 USD
    Unit price /  per 
  • PCK5-DG0620 Cathedral

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    Regular price From $319.98 USD
    Regular price Sale price From $319.98 USD
    Unit price /  per 
  • EJ6953M2-6954M2 Rust-colored heavy-duty metal drain cover with 'TDS' branding on a white background

    EJ 6954M2 Heavy Duty Gray Iron 14" x 24" x 1.5" Grate

    EJ 6954M2 Heavy Duty Gray Iron 14" x 24" x 1.5" Grate

    Regular price $381.70 USD
    Regular price Sale price $381.70 USD
    Unit price /  per 
  • DA0542SH Side

    TDS-POLYCAST DA0542SH Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0542SH Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • PCK6-DG0630-SE Cathedral SS

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    POLYCAST 600 Series w/ Cathedral Stainless Steel Grate w/ Edging

    Regular price From $325.36 USD
    Regular price Sale price From $325.36 USD
    Unit price /  per 
  • POLY700-PE-657R

    POLYCAST® 700 Vinyl Ester Kit w/DG0657R Perf Reinforced Stainless Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0657R Perf Reinforced Stainless Grate & HDPE Frame

    Regular price From $1,114.79 USD
    Regular price Sale price From $1,114.79 USD
    Unit price /  per 
  • DP0650-SS-657

    POLYCAST® DP0650 Inline Catch Basin w/DG0657H Stainless Perforated Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0657H Stainless Perforated Grate

    Regular price $486.50 USD
    Regular price Sale price $486.50 USD
    Unit price /  per 
  • ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    Regular price $673.60 USD
    Regular price Sale price $673.60 USD
    Unit price /  per 
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-CATH-0336-L Cathedral 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-CATH-0336-L Cathedral 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-226 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-226 Perforated Stainless Grate - ADA Compliant

    NDS® Dura Slope In-Line Catch Basin with DS-226 Perforated Stainless Grate - ADA Compliant

    Regular price From $778.58 USD
    Regular price Sale price From $778.58 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    Regular price From $351.55 USD
    Regular price Sale price From $351.55 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0657 perforated grate

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    Regular price From $901.28 USD
    Regular price Sale price From $901.28 USD
    Unit price /  per 
  • Spee-D BA Foam Stainless Steel Grate

    Bronze Age TDS-FOAM-0424-S 304 Stainless Steel 4.09" x 24" (Nominal) Grate

    Bronze Age TDS-FOAM-0424-S 304 Stainless Steel 4.09" x 24" (Nominal) Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • USF 6235 24x24 Grate

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    Regular price $485.30 USD
    Regular price Sale price $485.30 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0657 SS Perforated

    TP0650S (Shallow) Catch Basin Kit w/ DG0657H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0657H for POLYCAST®

    Regular price $400.47 USD
    Regular price Sale price $400.47 USD
    Unit price /  per 
  • DG0657R Stainless Steel Perforated Grate

    POLYCAST DG0657R ADA Perf Reinforced Stainless Grate 6"x48" (Nominal) Class C

    POLYCAST DG0657R ADA Perf Reinforced Stainless Grate 6"x48" (Nominal) Class C

    Regular price $604.23 USD
    Regular price Sale price $604.23 USD
    Unit price /  per 
  • POLYCAST 600 with DG0630 Stainless steel Cathedral Grate

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    Regular price From $283.07 USD
    Regular price Sale price From $283.07 USD
    Unit price /  per 
  • 454 IN100KCC Reinforced Stainless Steel Slotted

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Sale

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Regular price $181.13 USD
    Regular price $232.88 USD Sale price $181.13 USD
    Unit price /  per 
    Sale
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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