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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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      • 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
      • Fiberglass
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Products Blogs
  • FGK-T1215-EZ-09 FRP EZ Frame and Grate Kit

    9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    Regular price From $407.53 USD
    Regular price Sale price From $407.53 USD
    Unit price /  per 
  • FGK-T1215-EZ-15 Fiberglass T-Bar grate with EZ frame

    15" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    15" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    Regular price From $517.48 USD
    Regular price Sale price From $517.48 USD
    Unit price /  per 
  • POLY700-PE-646R

    POLYCAST®700 Vinyl Ester Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    POLYCAST®700 Vinyl Ester Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    Regular price From $971.21 USD
    Regular price Sale price From $971.21 USD
    Unit price /  per 
  • FGK-I4015-WYE-12 fiberglass I-Bar grate with WYE frame

    12" Fiberglass Kit w/ I-Bar Grate and WYE Frame - Load Class C

    12" Fiberglass Kit w/ I-Bar Grate and WYE Frame - Load Class C

    Regular price From $583.70 USD
    Regular price Sale price From $583.70 USD
    Unit price /  per 
  • POLYCAST 600 kit with Gray DG0670G grate

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate - Load Class A

    Regular price From $207.90 USD
    Regular price Sale price From $207.90 USD
    Unit price /  per 
  • FG-T1215-WYE-15 T-Bar Fiberglass Grate with WYE Frame

    15" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    15" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    Regular price From $543.88 USD
    Regular price Sale price From $543.88 USD
    Unit price /  per 
  • POLY500-AA-675D-TDSdrains cast iron frame cast iron transverse ada slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    POLYCAST 500 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    Regular price From $492.53 USD
    Regular price Sale price From $492.53 USD
    Unit price /  per 
  • POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    Regular price From $546.58 USD
    Regular price Sale price From $546.58 USD
    Unit price /  per 
  • FG-T1215-EZ-12 Fiberglass T-Bar grate with EZ Frame

    12" Fiberglass Kit w/ T-Bar Grate and EZ Frame - Load Class A

    12" Fiberglass Kit w/ T-Bar Grate and EZ Frame - Load Class A

    Regular price From $517.48 USD
    Regular price Sale price From $517.48 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete linear channel with stainless edge and 494 black poly grate

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Sale

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Regular price From $294.98 USD
    Regular price $369.26 USD Sale price From $294.98 USD
    Unit price /  per 
    Sale
  • Polycast 700 with DG0646R Reinforced perforated Galvanized Steel Grates and Cast Iron Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    Regular price From $389.01 USD
    Regular price Sale price From $389.01 USD
    Unit price /  per 
  • ULMA U100K with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Sale

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Regular price From $450.41 USD
    Regular price $569.10 USD Sale price From $450.41 USD
    Unit price /  per 
    Sale
  • IronAgeDSC01317 HP Regular Joe Cast Iron

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Regular price $97.24 USD
    Regular price Sale price $97.24 USD
    Unit price /  per 
  • HYDROPLUS with 497 ADA Mesh Polypropylene Grate Class B

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Sale

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Regular price From $153.41 USD
    Regular price $194.62 USD Sale price From $153.41 USD
    Unit price /  per 
    Sale
  • FGK-T1215-WYE-09 FRP WYE Frame and Grate Kit

    9" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    9" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    Regular price From $433.93 USD
    Regular price Sale price From $433.93 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 
  • New Image Coming Soon

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

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

    Regular price From $277.24 USD
    Regular price Sale price From $277.24 USD
    Unit price /  per 
  • ia-2x18-ci-grate-regular-joe- boof Iron Age 2"x18" Cast Iron Grate in Regular Joe with Baked on Oil FInish

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Regular price $144.43 USD
    Regular price Sale price $144.43 USD
    Unit price /  per 
  • 12in Micro Mesh EZ Frame

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and EZ Frame - Load Class A

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and EZ Frame - Load Class A

    Regular price From $546.37 USD
    Regular price Sale price From $546.37 USD
    Unit price /  per 
  • FG-T1215-WYE-12 Fiberglass T-Bar grate with WYE Frame

    12" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    12" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

    Regular price From $543.88 USD
    Regular price Sale price From $543.88 USD
    Unit price /  per 
  • IA-Loc-CB12-BF Iron Age Locust Catch Basin Grate 12x12" in Baked on Oil Finish

    Iron Age IA-LOC-CB12-BF Class B Locust Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-LOC-CB12-BF Class B Locust Cast Iron 12" x 12" Grate - BoOF

    Regular price $311.74 USD
    Regular price Sale price $311.74 USD
    Unit price /  per 
  • NDS-Slim Channel Kit with TDS Bronze Age Natural Aluminum Slotted Grate

    NDS Slim Channel Series Kit with BA-SLOT-0212-A Slotted Aluminum Grate

    NDS Slim Channel Series Kit with BA-SLOT-0212-A Slotted Aluminum Grate

    Regular price From $701.38 USD
    Regular price Sale price From $701.38 USD
    Unit price /  per 
  • ULMA D100-460

    ULMA D100 Drain Channel w/460 Slotted Ductile Iron Grate - Class C

    Sale

    ULMA D100 Drain Channel w/460 Slotted Ductile Iron Grate - Class C

    Regular price From $297.03 USD
    Regular price $320.70 USD Sale price From $297.03 USD
    Unit price /  per 
    Sale
  • Vinylester-489-FRP-0.6-in-on-center-0.5M-length-510x510

    TDS 489 Vinyl-Ester Fiberglass Bar 122mm x 0.5M Bar Grate - 0.6" on center - Class C

    Sale

    TDS 489 Vinyl-Ester Fiberglass Bar 122mm x 0.5M Bar Grate - 0.6" on center - Class C

    Regular price $96.99 USD
    Regular price $124.70 USD Sale price $96.99 USD
    Unit price /  per 
    Sale
  • DG0667R Polycast Reinforced Stainless Steel Cover Grate

    POLYCAST DG0667R ADA Compliant Stainless Steel Solid 6" x 48" Cover Class C

    POLYCAST DG0667R ADA Compliant Stainless Steel Solid 6" x 48" Cover Class C

    Regular price $456.27 USD
    Regular price Sale price $456.27 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 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
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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