Getting floodwater and stormwater off of parking lots, sidewalks, and other surfaces is not always a cheap or simple process. Tarmac Topmix Permeable is developed to change that. It is a fast draining concrete payment solution with an average permeability rate of 36,000mm/hr.
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Topmix Permeable - The ultimate permeable concrete system
As you can see in the above video, this solution allows 4000 liters of water to drain in 60 seconds. It simply offers easier stormwater management. More information is available here.
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