SABdrain 704 trench drain system provides the ultimate combination of design and functionality, thanks to its lightweight channel unit and high-strength cast iron grate. With a Class D rating, this channel drain is capable of withstanding even the most demanding requirements. The 8-point security fixing system ensures that the grate stays rattle-free even under heavy vehicular movements, while the anti-slip nodules provide added safety.
In addition to the cast iron grate, the SABdrain 704 also features polypropylene channels that are both easy to install and high-strength. The unique construction of the SABDrain drainage channel provides excellent structural rigidity, protecting it from damage during and after installation. The smooth, rounded internal surface of the SABDrain water drainage system allows for higher flow rates and a self-cleaning action, preventing the accumulation of silt deposits. SABdrain channels are sold in 1M lengths and feature an inbuilt click-clack feature, making it easy to join channels together for longer runs.
Internal Dimensions: 100mm x 150mm
External Dimensions: 150mm x 200mm
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Will Cast Iron Grates Rust? Like most metals, cast iron goes through a natural oxidation process, resulting in an outer protective coating known as rust. This process is called Patina. Patina is a naturally occurring process and shouldn’t be confused with corrosive rust. Read more here.