6″ Polycast Drainage Kit w/Slotted Ductile Iron Grates


Pre-sloped polymer concrete system by POLYCAST.



Hubbell’s Polycast 600 Series is one of the most prominent small commercial drains on the market. The 6.25″ wide (OD) polymer concrete channels have a built-in .65 percent slope that allows the system to achieve flow rates of 470 GPM, higher than drainage systems of similar size.

Polycast 600 Series channelPolycast 600 Series installation chairs tighten the joints between channels while aligning and leveling the drainage run. Each installation chair is secured to the ground (using your own rebar), ensuring that the channels will not float during the concrete pour.


For heavy trucks or fork truck traffic, we recommend adding the ductile iron frames to your kit.


Polycast 600 Installation Chair


Uses: Garages, Driveways, Parking Lots, Public Areas, Swimming Pools, Recreational Areas
Channel Material: Polymeric concrete
Clear Width: 4″ inside diameter w/2″ radius bottom
Total Width: 6-1/4″


  • Ductile iron slotted grates – (Class C Load Rating)
  • Open Surface Area: 19.8 sq. inches/Lin. Ft.
  • 40 GPM
  • Color: Black

Polycast 600 trench drain installation in Norwalk Ohio

Select your kit length to fit your situation.

Each Polycast 600 Kit Includes:

  • 48″ Polycast pre-sloped channel (1 for each 4′ of kit ordered)
  • 24″ Ductile iron slotted grates (2 per channel)
  • Grate Hold-down devices (1 per grate)
  • Installation Chairs
  • End Outlet (fits 4″ S&D pipe)
  • End Cap
  • Installation instructions

Optional Frame/Edging:

  • POLYGUARD® Galvanized steel channel edging
  • POLYGUARD® Stainless steel channel edging
  • DURAGUARD® HDPE (High Density Polyethylene Composite) frames (Class D)
  • HARDNOSE 700 SERIES Heavy Duty cast iron frames (Class E)

If you are needing a longer length,  you can order several kits to the length you need or contact us for a quote. We would be happy to provide one.

Layout Info:
Before we can ship your presloped drain order, a layout will need to be approved by you.  Once we receive your order, we will contact you via email with a layout drawing showing what channels you will receive and the order they need to be installed.  We will need a confirmation email from you that you accept the layout.  If you choose all neutral channels, please note this in the ‘Order Notes’ during checkout.  A layout is not necessary with neutral channels.

DrainageKits.com reserves the right to choose the channel depth of the channels you receive. If you have certain channels or a channel depth in mind, please note this in Order Notes at checkout. We will do our best to accommodate you if the channels are in stock.

Shipping Info:
Kits will ship truck freight. A forktruck will be needed at delivery site for unloading.  Shipping calculation does not include delivery to a residential address or the use of a liftgate at delivery.  If the shipping calculator is not providing a shipping cost or if the price seems out of line, please contact us for a shipping price. Please indicate in checkout notes whether shipping address is a commercial or residential location AND whether you have a forktruck and/or loading dock. For shipping to AK, HI, or Canada, please contact us.

Additional information

Weight N/A
Dimensions N/A
Kit Length

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Galvanized Edging, Stainless Steel Edging, No Frame, Cast Iron Frame, HDPE Frame

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