POLYCAST® 600 Series is a 6.25" wide (OD) polymer concrete channel with a built-in 0.65 percent slope, allowing the system to achieve flow rates of 470 GPM. The DG0646 is a 5.25" wide galvanized steel perforated grate that offers a decorative look to your project.
The 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.
2-foot kits are intended to be an extension to kits and only include one install chair and no end caps/outlets. Other accessories are to be purchased separately if it is intended to be a stand-alone kit.
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NOTE: For proper installation, grates must be in the channel during installation. Load class ratings for entire systems will always be determined by the lowest class within the system. For example, if the channel is rated as a C and the grate is rated as a D, the overall system will be rated as load class C. The same is true should the channel be rated as load class C and the grates are rated as load class A; the system as a whole would be rated as load class A.
