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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
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      • Zurn
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Ductile/Cast Iron
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  • BA-SLOT-0336 Stainless Steel Slot 3x36

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

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

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Bottom Outlet

    Regular price From $591.61 USD
    Regular price Sale price From $591.61 USD
    Unit price /  per 
  • POLY600-SS-657-TDSdrains stainless steel perforated grate stainless edge polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate & Edge

    Regular price From $454.05 USD
    Regular price Sale price From $454.05 USD
    Unit price /  per 
  • NDS DS-226-SS Perforated Duraslope Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    NDS DS-226 Class A ADA Compliant Perforated Stainless 6" x 24" Grate

    Regular price $233.36 USD
    Regular price Sale price $233.36 USD
    Unit price /  per 
  • DP0650-SS-657H Polycast 600 Inline catch basin with Stainless steel edge and perforated grate

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

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

    Regular price $558.75 USD
    Regular price Sale price $558.75 USD
    Unit price /  per 
  • MMG-SS-FOAM MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $608.11 USD
    Regular price Sale price From $608.11 USD
    Unit price /  per 
  • GF-21224

    GF 21224 Heavy-Duty Gray Iron Slotted 12" x 24" x 2" Grate | General Foundry

    GF 21224 Heavy-Duty Gray Iron Slotted 12" x 24" x 2" Grate | General Foundry

    Regular price $211.20 USD
    Regular price Sale price $211.20 USD
    Unit price /  per 
  • MCK-BA-SLOT-0336 Grey NDS Mini Channel with Stainless Steel Transverse Slotted Grate

    NDS 3" Gray Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    NDS 3" Gray Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    Regular price From $536.02 USD
    Regular price Sale price From $536.02 USD
    Unit price /  per 
  • DP0650-SS-657H Polycast 600 Inline catch basin with Stainless steel edge and perforated grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

    Regular price $742.62 USD
    Regular price Sale price $742.62 USD
    Unit price /  per 
  • TDS-SS600-DG0622 FOAM Galvanized

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Regular price $118.93 USD
    Regular price Sale price $118.93 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0657 SS Perforated

    TV0650S (Shallow) Catch Basin Kit w/ DG0657H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0657H for POLYCAST®

    Regular price $546.81 USD
    Regular price Sale price $546.81 USD
    Unit price /  per 
  • POLY600-SS-657-TDSdrains stainless steel perforated grate stainless edge polymer concrete channel Polycast

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Grate and Edging

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Grate and Edging

    Regular price From $352.15 USD
    Regular price Sale price From $352.15 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $642.22 USD
    Regular price Sale price From $642.22 USD
    Unit price /  per 
  • ABT 2412 Reinforced Galvanized Steel Perforated Grate

    ABT 2412 Reinforced Galvanized Steel Perforated Grate

    ABT 2412 Reinforced Galvanized Steel Perforated Grate

    Regular price $117.23 USD
    Regular price Sale price $117.23 USD
    Unit price /  per 
  • POLY600-XX-657R

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate

    Regular price From $595.62 USD
    Regular price Sale price From $595.62 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    Regular price From $1,463.89 USD
    Regular price Sale price From $1,463.89 USD
    Unit price /  per 
  • POLY600-SS-657R

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate & Edge

    Regular price From $637.92 USD
    Regular price Sale price From $637.92 USD
    Unit price /  per 
  • P4-PS ZURN Stainless Steel Class A Perforated Grate 4 inch

    ZURN P4-PS Stainless Steel Perforated 4" x 40" Grate - Class A

    ZURN P4-PS Stainless Steel Perforated 4" x 40" Grate - Class A

    Regular price $311.20 USD
    Regular price Sale price $311.20 USD
    Unit price /  per 
  • GF-21429-ADA

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    Regular price $169.40 USD
    Regular price Sale price $169.40 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks

    Regular price From $609.42 USD
    Regular price Sale price From $609.42 USD
    Unit price /  per 
  • PCK6-CB06S-DG0657R Catch basin w/ Reinforced Stainless Steel Perforated Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    Regular price $730.68 USD
    Regular price Sale price $730.68 USD
    Unit price /  per 
  • DG0657R Stainless Steel Perforated Grate

    POLYCAST DG0657RH ADA Perforated Reinforced Stainless Grate 6"x24" (Nominal) Class C

    POLYCAST DG0657RH ADA Perforated Reinforced Stainless Grate 6"x24" (Nominal) Class C

    Regular price $330.83 USD
    Regular price Sale price $330.83 USD
    Unit price /  per 
  • POLY700-PE-657R

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    Regular price From $532.41 USD
    Regular price Sale price From $532.41 USD
    Unit price /  per 
  • DP0650-SS-657H Polycast 600 Inline catch basin with Stainless steel perforated grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Stainless Perforated Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Stainless Perforated Grate

    Regular price $670.37 USD
    Regular price Sale price $670.37 USD
    Unit price /  per 
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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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