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Drainage Kits
  • Shop All
  • 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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      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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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
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  • BA-DECO-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-DECO-0312-L Square Deco 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-DECO-0312-L Square Deco 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • max-min-stainless-stainlessperf

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

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

    Regular price From $484.60 USD
    Regular price Sale price From $484.60 USD
    Unit price /  per 
  • DG0633 SQUARE DECO Stainless Steel POLYCAST and SS600

    Bronze Age DG0633 DECO 304 Stainless Steel 5.25" x 48" Grate | Class A

    Bronze Age DG0633 DECO 304 Stainless Steel 5.25" x 48" Grate | Class A

    Regular price $203.30 USD
    Regular price Sale price $203.30 USD
    Unit price /  per 
  • NDS970-9inch-grate-blk

    NDS 970 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    NDS 970 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    Regular price $27.75 USD
    Regular price Sale price $27.75 USD
    Unit price /  per 
  • NDS920B

    NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

    NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

    Regular price $247.93 USD
    Regular price Sale price $247.93 USD
    Unit price /  per 
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 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 
  • DG0631 Transverse SLOT Stainless Steel POLYCAST and SS600

    Bronze Age™ DG0631H SLOT 304 Stainless Steel 5.25" x 24" Grate

    Bronze Age™ DG0631H SLOT 304 Stainless Steel 5.25" x 24" Grate

    Regular price $112.00 USD
    Regular price Sale price $112.00 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $345.00 USD
    Regular price Sale price $345.00 USD
    Unit price /  per 
  • DG0630 CATHEDRAL Stainless Steel POLYCAST and SS600

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Regular price $176.33 USD
    Regular price Sale price $176.33 USD
    Unit price /  per 
  • 5" square Spee-D channel brass grate

    NDS 913B Square Satin Brass 5" Grate w/ PVC Collar

    NDS 913B Square Satin Brass 5" Grate w/ PVC Collar

    Regular price $124.69 USD
    Regular price Sale price $124.69 USD
    Unit price /  per 
  • DG0630 CATHEDRAL Stainless Steel POLYCAST and SS600

    Bronze Age™ DG0630H CATH 304 Stainless Steel 5.25" x 24" Grate

    Bronze Age™ DG0630H CATH 304 Stainless Steel 5.25" x 24" Grate

    Regular price $120.18 USD
    Regular price Sale price $120.18 USD
    Unit price /  per 
  • DA6020B-Stainless Steel Edge POLYCAST

    TDS-POLYCAST DA0620B Channel Protectors/Edging Stainless Steel 48 inch

    TDS-POLYCAST DA0620B Channel Protectors/Edging Stainless Steel 48 inch

    Regular price $84.58 USD
    Regular price Sale price $84.58 USD
    Unit price /  per 
  • SS0642B_TDS

    TDS SA0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    TDS SA0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    Regular price $18.15 USD
    Regular price Sale price $18.15 USD
    Unit price /  per 
  • MMG-SS-DECO MAX Mini kit with gray channel and stainless steel grate

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

    TDS™ 3" Gray MAX Mini w/Deco 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 
  • Iron Age 6 inch diameter Bullseye raw cast iron grate

    Iron Age IA-BULL-6D-HP Class A ADA Heel-Proof Bullseye Cast Iron 6" Dia Grate – Natural

    Iron Age IA-BULL-6D-HP Class A ADA Heel-Proof Bullseye Cast Iron 6" Dia Grate – Natural

    Regular price $104.39 USD
    Regular price Sale price $104.39 USD
    Unit price /  per 
  • MMG-SS-SLOT MAX Mini kit with gray channel and stainless steel grate

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

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

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • DA0542S Locking Device

    TDS-POLYCAST DA0542S Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0542S 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 
  • MCKS-BA-SLOT-0336 Sand Mini Channel with Transverse Slotted Stainless Steel Grates

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

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

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 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 
  • MMG-SS-CATH MAX Mini kit with gray channel and stainless steel grate

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

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

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • DA6020B-Stainless Steel Edge POLYCAST

    TDS-POLYCAST DA0620BH Channel Protectors/Edging Stainless Steel 24"Long (Set of 2)

    TDS-POLYCAST DA0620BH Channel Protectors/Edging Stainless Steel 24"Long (Set of 2)

    Regular price $72.25 USD
    Regular price Sale price $72.25 USD
    Unit price /  per 
  • DG0647-PolyCast-TDSdrains stainless steel slotted class A grate

    POLYCAST DG0647H Class A Slotted Stainless Steel 6" x 24" Grate

    POLYCAST DG0647H Class A Slotted Stainless Steel 6" x 24" Grate

    Regular price $137.60 USD
    Regular price Sale price $137.60 USD
    Unit price /  per 
  • Polycast-DG0657 perforated grate

    POLYCAST DG0657 ADA Perforated Stainless Steel 6" x 48" (Nominal) Grate Class B

    POLYCAST DG0657 ADA Perforated Stainless Steel 6" x 48" (Nominal) Grate Class B

    Regular price $183.50 USD
    Regular price Sale price $183.50 USD
    Unit price /  per 
  • MCK-BA-FOAM-0336 Grey NDS Mini Channel with Stainless Steel Perforated Foam Grate

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 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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