Polymer Concrete Manhole Covers, Gratings & Frames (Sans1882): ·Has no metal value ( cannot be stolen and sold for scrap) ·Up to 60% cheaper than Cast iron Manhole Covers, Gratings & Frames ·Polymer Concrete Manhole Covers, Gratings & Frames have been sold in South Africa since 1992 and have performed excellently in all their respective applications ·Polymer Concrete Manhole Covers are 6 times stronger ordinary concrete. The SABS has published SANS 1882 in 2003 and confirms that Polymer Concrete Manhole Covers & Frames can withstand a point load of up to 13500Kn and ·Easier handling, less weight. ·Nationwide supply·Most competitive prices