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Collection: 9” - 12” Grates

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Iron Age Designs (36 products)
NDS (136 products)
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TDS (Trench Drain Systems) (44 products)
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Residential (190 products)
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MV+200K (9 products)
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Point Drain (8 products)
POLYCAST 500 (4 products)
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POLYCAST 900 (3 products)
Pro Series 12 (2 products)
Z882 (4 products)
Z886 (3 products)

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18.0" x 18.0" for NDS 1800 Series (4 products)
24.0" x 24.0" for NDS 2400 Series (4 products)

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1.125" (137 products)
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224 products

12" Fiberglass Kit w/ HLC Grate (Nominal Width) and WYE Frame - Load Class C

12" Fiberglass Kit w/ HLC Grate (Nominal Width) and WYE Frame - Load Class C

Regular price From $759.24 USD

Regular price Sale price From $759.24 USD
Unit price per
FG-HLC-1248 Mesh Fiberglass 12"X48" Grate Load Class C

FG-HLC-1248 Mesh Fiberglass 12"X48" Grate Load Class C

Regular price $543.21 USD

Regular price Sale price $543.21 USD
Unit price per
FG-I4015-1248 Fiberglass I-Bar Grate 12"X48"x1.5" Grate Load Class C

FG-I4015-1248 Fiberglass I-Bar Grate 12"X48"x1.5" Grate Load Class C

Regular price $407.00 USD

Regular price Sale price $407.00 USD
Unit price per
12" Fiberglass Kit w/ I-Bar Grate and EZ Frame - Load Class C

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

Regular price From $590.13 USD

Regular price Sale price From $590.13 USD
Unit price per
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 $615.33 USD

Regular price Sale price From $615.33 USD
Unit price per
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 $434.86 USD

Regular price Sale price From $434.86 USD
Unit price per
FG-MICRO-1248 Micro Mesh Fiberglass ADA Compliant 12"X48"x1.5" Grate

FG-MICRO-1248 Micro Mesh Fiberglass ADA Compliant 12"X48"x1.5" Grate

Regular price $369.45 USD

Regular price Sale price $369.45 USD
Unit price per
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
EJ 6953M2 Heavy Duty Gray Iron 12" x 24" x 1.5" Grate

EJ 6953M2 Heavy Duty Gray Iron 12" x 24" x 1.5" Grate

Regular price $358.98 USD

Regular price Sale price $358.98 USD
Unit price per
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 $460.06 USD

Regular price Sale price From $460.06 USD
Unit price per
POLYCAST®751 Catch Basin w/DG0643 Gray Iron Slotted Grate and Frame

POLYCAST®751 Catch Basin w/DG0643 Gray Iron Slotted Grate and Frame

Regular price $1,650.82 USD

Regular price Sale price $1,650.82 USD
Unit price per
POLYCAST® DP0651 Catch Basin w/DG0643 Slotted Gray Iron Grate

POLYCAST® DP0651 Catch Basin w/DG0643 Slotted Gray Iron Grate

Regular price $1,090.37 USD

Regular price Sale price $1,090.37 USD
Unit price per
POLYCAST® DP0651 Catch Basin w/DG0685HD Transverse Slotted Ductile Iron Grate

POLYCAST® DP0651 Catch Basin w/DG0685HD Transverse Slotted Ductile Iron Grate

Regular price $1,160.15 USD

Regular price Sale price $1,160.15 USD
Unit price per
10" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

10" Fiberglass Kit w/ Mesh Grate and EZ Frame - Load Class A

Regular price From $397.27 USD

Regular price Sale price From $397.27 USD
Unit price per
10″ Fiberglass Kit w/ Mesh Grate and WYE Frame – Load Class A

10″ Fiberglass Kit w/ Mesh Grate and WYE Frame – Load Class A

Regular price From $431.47 USD

Regular price Sale price From $431.47 USD
Unit price per
Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

Regular price $405.60 USD

Regular price Sale price $405.60 USD
Unit price per
9" Fiberglass Kit w/ I-Bar Grate and WYE Frame - Load Class C

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

Regular price From $666.20 USD

Regular price Sale price From $666.20 USD
Unit price per
10" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

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

Regular price From $544.19 USD

Regular price Sale price From $544.19 USD
Unit price per
Zurn P12 Class E H-20 Longitudinal Slotted Heel-Proof Ductile Iron 12" x 24" Grate

Zurn P12 Class E H-20 Longitudinal Slotted Heel-Proof Ductile Iron 12" x 24" Grate

Regular price $515.20 USD

Regular price Sale price $515.20 USD
Unit price per
ULMA 660 Slotted Ductile Iron 9x20 Class D Grate - MultiV+200

ULMA 660 Slotted Ductile Iron 9x20 Class D Grate - MultiV+200

Regular price $90.07 USD

Regular price Sale price $90.07 USD
Unit price per

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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Drainage News

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
Trench•Era™ – Modular Trench Drain
Oct 30, 2023

On Sale

ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C
~~$237.16~~ $183.00

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