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Collection: Pre-Sloped Drainage Kits

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258 products

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Iron Age Designs (52 products)
NDS (23 products)
Hubbell - POLYCAST (60 products)
ULMA (113 products)
TDS (Trench Drain Systems) (68 products)
Zurn (37 products)

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Residential (216 products)
Decorative (131 products)
Sports Complex - Recreational (69 products)
Chemical Processing (27 products)
Food Processing (19 products)
General Purpose Drainage - Interior (229 products)
General Purpose Drainage - External (240 products)
Transportation (41 products)

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D100 (15 products)
Dura Slope (23 products)
FP1200 (Replacement Part Only) (8 products)
M100K (1 products)
M100KX (3 products)
MultiV+200D (4 products)
MV+200K (4 products)
MV+200KX (4 products)
POLYCAST 500 (5 products)
POLYCAST 600 (43 products)
POLYCAST 700 (11 products)
POLYCAST 900 (2 products)
SS0600 (18 products)
U100K (38 products)
U100KX (44 products)
Z882 (1 products)
Z884 (26 products)
Z886 (10 products)

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Class A (64 products)
Class B (91 products)
Class C (52 products)
Class D (31 products)
Class E (15 products)

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Fiberglass - Polyester (8 products)
Plastic - (PP, HDPE, PE) (60 products)
Polymer Concrete - Polyester (169 products)
Polymer Concrete - Vinyl Ester (3 products)
Stainless 304 (18 products)

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Grate (1 products)
Channel Grate (1 products)
Part (3 products)
Channel Part (3 products)
Kit (253 products)
Channel Kit (254 products)

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Ductile/Cast Iron - Baked on Oil Finish (31 products)
Ductile/Cast Iron - Raw (91 products)
Fiberglass (15 products)
Galvanized Steel (31 products)
Plastic/HDPE - Black (14 products)
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Plastic/HDPE - White (3 products)
Stainless Steel 304 (41 products)
Stainless Steel 316L (16 products)

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Grate Width

4.13" for Zurn Z884 (26 products)
4.81" for ULMA (101 products)
5.25" (77 products)
5.38" for Zurn Z886 (10 products)
6.00" for NDS DuraSlope (23 products)
9.00" (12 products)
14.66" for TDS FP/FF/FE 1200 (8 products)

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0.75" (249 products)
1.50" (8 products)

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ARGO (5 products)
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CARBOCHON (4 products)
CATHEDRAL (5 products)
DECO (3 products)
DIAMOND (3 products)
FERN (1 products)
FOAM (3 products)
GREEK KEY (4 products)
INTERLAKEN (6 products)
JANIS (2 products)
LOCUST (6 products)
LUNARIA (1 products)
MESH (10 products)
MINNIONE (4 products)
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OBLIO (4 products)
PATRIOT (3 products)
PERFORATED (21 products)
QUE (2 products)
RAIN (2 products)
REGULAR JOE (6 products)
RIVER ROCK (4 products)
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SQ DECO (2 products)
TILE (2 products)
TRANSVERSE SLOTTED (9 products)
WEAVE (2 products)
WEDGE WIRE (16 products)

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ABSTRACT (17 products)
DECO (4 products)
GEOMETRIC (24 products)
INDUSTRIAL (26 products)
NATURE (11 products)
PATRIOTIC (3 products)
PERFORATED (34 products)
SLOTTED (134 products)
TRADITIONAL (5 products)

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Edging - Galvanized (64 products)
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Frame - None (115 products)
Frame - Stainless (11 products)
Frame - HDPE (8 products)
Frame - Ductile Iron (7 products)

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258 products

POLYCAST 600 Series Channels

POLYCAST 600 Series Channels

Regular price From $126.77 USD

Regular price Sale price From $126.77 USD
Unit price per
POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate

POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate

Regular price From $212.20 USD

Regular price Sale price From $212.20 USD
Unit price per
POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

Regular price From $301.86 USD

Regular price Sale price From $301.86 USD
Unit price per
POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

Regular price From $223.24 USD

Regular price Sale price From $223.24 USD
Unit price per
Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

Regular price From $1,032.26 USD

Regular price Sale price From $1,032.26 USD
Unit price per
POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

Regular price From $312.89 USD

Regular price Sale price From $312.89 USD
Unit price per
POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

Regular price From $314.10 USD

Regular price Sale price From $314.10 USD
Unit price per
ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

Regular price From $338.22 USD

Regular price Sale price From $338.22 USD
Unit price per
POLYCAST 600 Series Sloped Channel

POLYCAST 600 Series Sloped Channel

Regular price From $192.44 USD

Regular price Sale price From $192.44 USD
Unit price per
ULMA U100KX w/ Iron Age Rain Grate-BoOF

ULMA U100KX w/ Iron Age Rain Grate-BoOF

Regular price From $342.27 USD

Regular price Sale price From $342.27 USD
Unit price per
ULMA M100K Neutral Shallow Channel - Galvanized Edge

ULMA M100K Neutral Shallow Channel - Galvanized Edge

Regular price $105.71 USD

Regular price Sale price $105.71 USD
Unit price per
ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

Regular price From $377.94 USD

Regular price Sale price From $377.94 USD
Unit price per
Zurn Z882 Linear Drain Kit w/P12-DGE Ductile Iron Grate & Bottom Outlet

Zurn Z882 Linear Drain Kit w/P12-DGE Ductile Iron Grate & Bottom Outlet

Regular price From $2,979.80 USD

Regular price Sale price From $2,979.80 USD
Unit price per
ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

Regular price From $174.64 USD

Regular price Sale price From $174.64 USD
Unit price per
ULMA U100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

ULMA U100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

Regular price From $240.15 USD

Regular price Sale price From $240.15 USD
Unit price per
ULMA U100K Drainage Kit with ULMA Ductile Iron Slotted Grate

ULMA U100K Drainage Kit with ULMA Ductile Iron Slotted Grate

Regular price From $393.03 USD

Regular price Sale price From $393.03 USD
Unit price per
ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

Regular price From $135.10 USD

Regular price Sale price From $135.10 USD
Unit price per
ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

Regular price From $375.73 USD

Regular price Sale price From $375.73 USD
Unit price per
POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

Regular price From $205.58 USD

Regular price Sale price From $205.58 USD
Unit price per
ULMA MV+200KX w/ 660 Ductile Iron 9X20 Slotted Grate Class D

ULMA MV+200KX w/ 660 Ductile Iron 9X20 Slotted Grate Class D

Regular price From $325.69 USD

Regular price Sale price From $325.69 USD
Unit price per

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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

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 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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