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Permeable Surfacing Options in North America

There are many reasons for cities to install permeable surfacing. Most importantly, it reduces stormwater runoff. According to the City of Toronto, “The combination of heavy rain and hard surfaces covering the city is resulting in more water making its way into the stormwater system. Too much water in the City’s stormwater system can overwhelm it, leading to flooded basements and poor water quality in local waterways, including Lake Ontario.” However, the permeable surfacing options available in North America do have their drawbacks. So, some developers and municipalities are hesitant to install them at scale. Here’s an analysis of 6 known permeable surfacing options in North America. Analysis of Permeable Surfacing Options in North America Permeable Concrete Permeable Concrete sounds reliable. In fact, concrete has been a staple in the construction of cities since its invention. However, when engineers remove fine aggregates from concrete it becomes structurally flawed by design.…