3", 4" & 6" Round Grates

These round grates are designed to fit all pipe sizes with these diameters. They are manufactured in the United States using structural foam (HDPE). Ideal for residential or commercial applications.

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4" Atrium Grate

Polylok's Atrium Grate is perfect for garden beds and other areas where floatable debris like mulch or leaves would clog.

Goes Well With

Trench & Channel Rain Drains

The Polylok Channel Rain Drains is the Complete Surface Water Drainage Solution. The durability & high performance of the " Channel Rain Drains" ensures a long lasting, permanent solution to the collection and dispersal of standing surface water. Use our Channel Rain Drains around driveways, patios, walkways or any other area that you need to get rid of standing surface water.

20" Round Drain Box

We have your solution to all of your drainage needs with our new 20” Drain, Valve, & Meter Box! This box is great for large applications such as golf courses but is also a suitable size for the home. There’s no need to worry about different colored fittings or plugs to inventory because as well as accepting 2”, 3” & 4” pipe, our box can also accept 6” pipe. Our 20” Drain Box will also accept our 20” Risers so you can easily bring the Drain Box to grade. It is the most versatile Drain Box available on the market today!

U.S. Patent No# 6,666,349 & 6,817,631

Square Catch Basins

Offered in two sizes, Polylok manufactures the most versatile Catch Basin on the market. The basin comes complete with either a black or green grate, and two seals that accept 2", 3", 4", and corrugated pipe. You can choose your inlet and outlet heights, and it can accept one inlet and up to three outlets.