Cost is a major factor, said Erickson. He estimated porous is 10% to 20% more expensive than traditional asphalt, given it's underneath layers of stone and gravel that must be designed properly.

Porous pavements have been around since the 1950s, but the technology is only now poised for more mainstream use as environmental regulations have made it an attractive, inexpensive alternative to ...

The Colorado Asphalt Pavement Association observed Earth Day in April with the grand opening of a porous asphalt parking lot at the Denver Wastewater Management Facility on West 3rd in Denver. In this ...

Talley Construction uses a warm mix design that eliminates fibers from the porous asphalt on a parking lot project in Tennessee. Porous asphalt pavements have been used for more than 30 years ...

It can also be more beautiful than traditional asphalt." Permeable, or porous, driveways come in a range of styles, some high-tech and others decidedly Old School.

Pervious concrete and asphalt can be durable. Cahill Associates, an environmental consulting firm in West Chester, Pa., says it has designed some parking lots that are still functioning well after ...

Pavement Preservation & Maintenance How to Sweep a Porous Asphalt Pavement Construction Site Additional steps were required by Algonquin Sweeping & Striping for proper sweeping Oct 12, 2012 ...

Porous asphalt is part of the complete storm-water management system that could also include rain gardens or bio-filtration systems. Everyone has seen water pool in low spots on asphalt a few ...

Before you go asking, what’s so great about a porous street, consider this: the permeable material has the potential to reduce the impact of ice. Residents of South Philadelphia will be the first to ...