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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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      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • Polylok
      • ULMA
      • Zurn
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    • 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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  • Spee-D BA Square Deco Stainless Steel Grate

    Bronze Age™ TDS-DECO-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Bronze Age™ TDS-DECO-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 USD
    Unit price /  per 
  • POLY600-xx-669-TDSdrain stainless steel bar grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0669 Stainless Bar Grate

    POLYCAST 600 Series Kit with DG0669 Stainless Bar Grate

    Regular price From $729.45 USD
    Regular price Sale price From $729.45 USD
    Unit price /  per 
  • IA-Spee-D-Locust-Grate-4x24-fullview raw cast iron grate

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Regular price $161.59 USD
    Regular price Sale price $161.59 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 
  • POLYCAST 700-PE-669-DK-TDSdrains

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    Regular price From $1,516.80 USD
    Regular price Sale price From $1,516.80 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0647R Reinforced Slotted Stainless Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0647R Reinforced Slotted Stainless Grate and HDPE Frame

    Regular price From $824.02 USD
    Regular price Sale price From $824.02 USD
    Unit price /  per 
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-DGE Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-DGE Ductile Iron Grate - HD Z Frame

    Regular price From $2,431.80 USD
    Regular price Sale price From $2,431.80 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-RiverRock-raw2

    Iron Age IA-RIV-0520 Class B ADA Compliant River Rock Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-RIV-0520 Class B ADA Compliant River Rock Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $1,036.52 USD
    Regular price Sale price From $1,036.52 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-interlaken-2 IA-INTER-0520

    Iron Age IA-INTER-0520 Interlaken Cast Iron 122mm x 500mm Grates Class B - Raw

    Iron Age IA-INTER-0520 Interlaken Cast Iron 122mm x 500mm Grates Class B - Raw

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • Spee-D BA Cathedral Stainless Steel Grate

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

    Bronze Age TDS-CATH-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 
  • DP0650-XX-675H Polycast 600 with black HDPE Grate in transverse slotted pattern with stainless edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate & Stainless Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate & Stainless Edge

    Regular price $462.12 USD
    Regular price Sale price $462.12 USD
    Unit price /  per 
  • IA-CARB-0520-BF Iron Age Carbochon 5x20" Baked on Oil Finish cast iron

    Iron Age IA-CARB-0520-BF Class B Carbochon Cast Iron 122mm x 500mm Grates - BoOF

    Iron Age IA-CARB-0520-BF Class B Carbochon Cast Iron 122mm x 500mm Grates - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • PCK7-DG0692 Polycast 700 Channel with Ductile Iron Frame and DG0692 Patriot Grate

    POLYCAST® 700 Vinyl Ester Kit w/DG0692 Ductile Iron Patriot Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0692 Ductile Iron Patriot Grate & HDPE Frame

    Regular price From $721.86 USD
    Regular price Sale price From $721.86 USD
    Unit price /  per 
  • SS600-DG0657R Reinforced with Perforated Stainless Steel Grate

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    Regular price From $1,877.75 USD
    Regular price Sale price From $1,877.75 USD
    Unit price /  per 
  • 5x20 Iron Age Cast-Iron Grate Locust Grate Raw Finish

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0675G HDPE Transverse Slotted Grate & Stainless Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675G HDPE Transverse Slotted Grate & Stainless Edge

    Regular price $466.71 USD
    Regular price Sale price $466.71 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit w/ DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate

    POLYCAST 600 Series Kit w/ DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate

    Regular price From $252.40 USD
    Regular price Sale price From $252.40 USD
    Unit price /  per 
  • SSK6-DG0655R SS600 Stainless Steel Wedge Wire Grates

    SS600 Stainless Steel Drain Kit w/ DG0655R Wedge Wire Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0655R Wedge Wire Stainless Steel Grate | Class C

    Regular price From $1,693.51 USD
    Regular price Sale price From $1,693.51 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0669 bar grate

    SS600 Stainless Steel Drain Kit w/ DG0669 Stainless Steel Bar Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0669 Stainless Steel Bar Grate | Class D

    Regular price From $2,406.20 USD
    Regular price Sale price From $2,406.20 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Regular price $304.59 USD
    Regular price Sale price $304.59 USD
    Unit price /  per 
  • DG0675-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    Regular price $50.33 USD
    Regular price Sale price $50.33 USD
    Unit price /  per 
  • New Image Coming Soon

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G & Galvanized Edge for POLYCAST®

    Regular price $392.99 USD
    Regular price Sale price $392.99 USD
    Unit price /  per 
  • ZURN Z888-18 Hi-Cap Slotted Drain

    Zurn Z888-18 High Capacity Slot Drain

    Zurn Z888-18 High Capacity Slot Drain

    Regular price $1,112.80 USD
    Regular price Sale price $1,112.80 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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