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Asphalt Paving Blog

Porous Asphalt Paving - Cost and Environmental Benefits

porous-parking-lotPorous asphalt pavement can be a valuable tool for business developers, municipalities and even homeowners who are interested in storm water management. Porous asphalt pavement is an environmentally-conscious and sustainable paving solution that can offer significant long-term cost efficiency.

Photo Credit: NAPA - HotMix.org

How Does Porous Asphalt Pavement Work?

Porous asphalt allows water to drain through the asphalt and into the stone bed below. It then works its way into the soil as nature intended. If toxins are on the surface, they get swept along with the rainfall through the stone bed. From there, they travel into the sub-base so that they are subjected to the natural processes that cleanse water. The size and depth of the stone bed must be designed so that the water level never rises into the asphalt.

How Long Does Porous Asphalt Last?

Porous asphalt pavement can last up to twenty years before showing cracks or potholes. It is a very durable product and it retains the ability to handle rainwater for many years. Porous asphalt has been used successfully in parking lots, walkways, playgrounds and high-volume highways that carry heavy trucks.

Porous asphalt tends to be a little coarser than your standard asphalt but is still smooth enough to meet the Americans with Disabilities Act (ADA) requirements and is still an attractive option to consider during the development process.

Porous Asphalt Can Save You Money 

porous asphalt cross section

Along with the environmental benefits that porous asphalt brings, there are also cost benefits associated with this paving process. Some local governments charge developers storm-water impact fees when water run-off from parking lots overwhelms the storm sewer system. Because porous asphalt helps reduce demands on the storm sewers, these impact fees can be eliminated.

Porous asphalt will also save you money because it eliminates the need to put in a storm-water management solution such as a retention pond. The land that is normally slated for the retention pond can be developed and used as a profitable asset that adds value to the property.

Another advantage of asphalt paving is that asphalt does not require proprietary ingredients to be manufactured. Most asphalt plants can easily prepare the mix and since installing it doesn't require additioal paving equipment or specialized paving skills, general paving contractors can install it as they would other paving projects.

If you're considering repaving your parking lot or developing a plan to make the most of your development property, consider porous asphalt. Let the paving professionals at Wolf Paving help you discover the cost and environmental benefits that asphalt paving can offer.

Wolf Paving, an asphalt manufacturer and asphalt paving contractor has been proudly serving the greater Milwaukee and Madison area since 1941.

Permeable pavement brochure

 

Topics: Paving Contractor, Porous Asphalt, Parking Lot Paving, Asphalt Manufacturing, Wolf Paving, Asphalt Paving