Ever since the first line of plastic trench drains emerged on the market, homeowners and contractors alike, have welcomed the convenience of lightweight and affordable drainage systems. Easily purchased and installed, these plastic drains bring patio and in some cases driveway drainage to an accessible level.
Decorative Plastic Grates
The design efforts from NDS® allows one to purchase decorative plastic grates for new and preexisting trench drain systems at an affordable cost. Both the Botanical and Wave patterns are available in a variety of colors, such as sand, gray, black, and green. They are made with the 3-inch Mini Channel and 4-inch Spee-D Channel linear drains in mind.
Decorative Plastic Catch Basins
These grate patterns are also available in 12″ square catch basins manufactured by NDS®. Each catch basin is designed for maximum durability and drainage. UV inhibitors in the plastic grates and component parts help to prevent fading and cracking from the sun, ensuring a lasting product. All of the Polyolefin grates are chemically resistant, rustproof, and practically maintenance-free. However, it is recommended to clean out your drainage system on a regular basis. If a plastic grate isn’t to your liking, a cast iron version of these patterns is also available.
The Mini Channel and Spee-D Channel profile drains feature honeycomb chambers within the wall. Spee-D Channel drains (not shown here) have thicker walls to accommodate their greater width, but the basic construction is the same. Profile drain grates rest on a lip in the channel body and are screwed into place.
Traditionally, either system’s slotted plastic grates rest fully within the channel and do not hide its edge (see above photo, right). Gray channel edges are visible on either side of plastic slotted Mini Channel or Spee-D Channel grates, a detail frequently commented on in upscale applications.
“[The visible channel border] has been a long running criticism of the Mini Channel and Spee-D Channel,” says Mike Schreiber, District Sales Manager at NDS.
Personally, I always felt this was a design flaw on the part of NDS not only because water can gather between the grate and the channel but also because it’s not aesthetically appealing. I’m pleased that NDS is taking steps to improve on the design.
NDS’ decorative grating (see above photo, left) is thicker. The grates hang over the channel walls. Once installed, all you see of the drainage system on the left is the Botanical pattern grate.
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The photo above shows how nicely the new decorative plastic grates fit into NDS profile drains. I do like these grates better because their added thickness makes the systems more durable. It also makes the grates sit higher in the channel, which means you’ll have to use special screws to secure the grates.
At first I was concerned that the additional height would tempt the Fates and lead to broken drains. However, NDS specifications recommend profile channels be recessed up to a quarter inch to improve drainage. Recessed drains also protect the channel from snow plows, which have been known to tear up grates. If there are any issues they will probably occur in preexisting drains that were not installed in a recess. But if the existing drains were installed properly there shouldn’t be a problem.
When decorative cast iron grates became a reality for homeowners, plastic drain manufacturers realized they were missing out on a large market. Contractors and homeowners saw cast iron grates as an upgrade to basic slotted plastic worth the extra cost, but decorative plastic was unsold real estate in the trench drain market. So far, only NDS has done anything to fill the market need.
Seeing an unmet market need, NDS began developing their line of decorative plastic grates a year ago. The manufacturer conducted surveys among customers and contractors to help choose which designs would be most popular before sending out small batches for trial runs. The end result is that homeowners can now buy Botanical and Wave pattern plastic grates for their profile drains and catch basins.
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A sampling of NDS’ decorative catch basin grates
The decorative grates are making in-roads on applications where drainage systems are visible such as commercial pools, patios and sidewalks. While they aren’t driving new sales – nobody who doesn’t need a trench drain is buying the grates just to have them – homeowners and contractors lean toward decorative plastic because of its improved aesthetics.
“I’m really starting to see the decorative channel take off,” Schreiber says.
Many NDS drains have a decorative iron option available (see our blog about decorative cast iron grating here). Plastic decorative patterns are still limited at the moment, but I expect options to expand once the idea of affordable plastic replacement grates sinks into the public’s mind. NDS, now busy incorporating new acquisitions such as KBI flow control and ADS drainage systems, is going to wait before expanding their decorative offerings.
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