12 Facts About Permeable paving

Permeable paving surfaces are made of either a porous material that enables stormwater to flow through it or nonporous blocks spaced so that water can flow between the gaps.

Permeable paving can include a variety of surfacing techniques for roads, parking lots, and pedestrian walkways.

Permeable paving pavement is commonly used on roads, paths and parking lots subject to light vehicular traffic, such as cycle-paths, service or emergency access lanes, road and airport shoulders, and residential sidewalks and driveways.

Permeable paving is an important component in Low Impact Development, a process for land development in the United States that attempts to minimize impacts on water quality and the similar concept of sustainable drainage systems in the United Kingdom.

Permeable paving surfaces have been demonstrated as effective in managing runoff from paved surfaces and recharging groundwater aquifers.

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Permeable paving pavers provide a solid ground surface, strong enough to take heavy loads, like large vehicles, while at the same time they allow water to filter through the surface and reach the underlying soils, mimicking natural ground absorption.

Permeable paving systems have shown effective in reducing suspended solids, Biochemical Oxygen Demand, Chemical Oxygen Demand, and ammonium concentrations within groundwater.

Similar to green roofs, permeable paving keeps water within the local microecosystem, which in turn keeps temperatures cooler when compared to a non-permeable paving system.

Permeable paving pavements are designed to replace Effective Impervious Areas, but can be used, in some cases, to manage stormwater from other impervious surfaces on site.

Traditional permeable concrete paving bricks tend to lose their color in relatively short time which can be costly to replace or clean and is mainly due to the problem of efflorescence.

Resin bound Permeable paving is a mixture of resin binder and aggregate.

Resin bound Permeable paving provides a strong and durable surface that is suitable for pedestrian and vehicular traffic in applications such as pathways, driveways, car parks and access roads.