AgraBlockIRWINS AGRABLOCK is an interlocking porous modular grid system which is SUDS (sustainable urban drainage system) friendly. This allows the dispersion and drainage of excess rain and flood water. It can be infilled with gravel or planted out in grass to provide a porous, stable surface suitable for vehicular or pedestrian traffic.IRWINS AGRABLOCK ensures that gravels of up to 20mm are retained within the cell walls, which stop them migrating. When planted out in grass it provides an ideal environment to thrive and the cellular structure helps protect the roots from heavy traffic. It provides a more secure surface for driving, walking or cycling over.It has a load bearing capacity rated 360 tonnes per m2, so will cope with practically any vehicular traffic that it is likely to encounter. IRWINS AGRABLOCK is manufactured to ISO 9001/2008. It is manufactured from 100% recycled polypropylene.