A channel drain (trench drain) is a type of floor drain that has a channel shaped body recognized by its long length and narrow width. abc

A channel drain is essentially the same thing as the trench drain. Actually, there are numerous names such as line drain, slot drain, linear drain or strip drain which all refer to the identical object.
A channel drain (trench drain) is a kind of channel grates drain that has a channel shaped body identified by its long length and narrow width.
Channel drains (trench drains) are commonly mistaken for french drains. It is advisable to note that french drains aren't the same as channel or trench drains.
With any kind of drains, channel drains (trench drains) too require a cover to serve as a safety precaution and to prevent large objects from entering the drains which cause choking.
At Jonite, we specialise in steel reinforced channel (trench) grates (channel / trench covers) that provides you with the best of steel in its' strength and durability along with the natural splendor of stone that is definitely unmatched by another material you could find to construct channel (trench) grates.
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Link to: http://www.jonite.us/products/channel-grates