The channel body is made of high-strength, waterproof concrete made by Richard Brink. It has wall and floor thicknesses of 20mm. The chosen concrete matrix guarantees wear resistance to various chemical influences while the leak-proof surface structure enables rain water to run. Fortis heavy duty drainage channels in combination with a wide range grates ranging from 25T to 60T load capacity. Robust, stable and aesthetically pleasing: the Fortis and Poly-Fortis systems in a nutshell. Choose from either concrete or polymer concrete channels, both of which can be combined. Sika offers a comprehensive range of waterproofing solutions designed for below and above-ground structures, ensuring durability and protection in even the most demanding environments. HAURATON has been using steel as a channel material for many. RTC are the main distributor in Ireland for the MEADRAIN® polymer concrete line drainage systems. With MEADRAIN® the success of your next. Special features of RECYFIX HICAP: drainage and retention in one component, large selection of nominal widths, for all loading classes and all common road, surface finishes, less manholes and outlets, provides a uniform visual appearance also, in lage projects, no separate gratings, no expensive.