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Compression-molded composite manhole covers and frames are manufactured using the same mold every time, resulting in a product that is engineered to precise dimensions with little part-to-part variation.
Over the years, a number of accessories have been designed to alleviate issues with cast iron manhole covers — issues like corrosion, theft, heavy weight, stormwater infiltration or their significant carbon footprint. Today, there’s a comprehensive option in the form of composite manhole covers.
Composite manhole covers were originally developed to prevent theft of iron manhole covers for scrap metal content, which cost cities millions and left gaping holes in streets for...
