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What is Pervious Concrete?

Pervious concrete is concrete that water drains right through.

Usually pervious concrete consists of rock, cement & water, everything regular concrete has, minus the sand.

Pervious concrete has been around for a very long time and about 30 years ago began to be used in the U.S. starting on the East Coast.

Recently the Chinese installed over 2 million square feet of it for the 2008 Olympics.

Installation by 'Orangestone Construction Technology'.

Pervious concrete can be so much more. Explore our site to see some of the possibilities.

 

Below is a much more technical definition of pervious concrete:

“Pervious Concrete (PC) is a performance engineered pavement with an interconnected void system that allows rainwater to percolate through it. In PC, carefully controlled amounts of water and cementitious materials are used to create a paste that forms a thick coating around aggregate particles. A PC mixture contains little or no sand. Using sufficient paste to coat and bind the aggregate particles together creates a system of highly permeable, interconnected voids that drain quickly. Typically, between 15% and 25% voids are achieved in the hardened concrete, and flow rates for water through PC are typically around 480 in/hr (.34cm/s), which is 5 gal/sqft/min (200L/sqm/min) or higher. Although low mortar content and high porosity reduce strength compared to conventional concrete mixtures, PC has sufficient strength for most pavement applications including parking areas, streets, plazas, and walkways.”

Source: NRMCA - National Ready Mix Concrete Association

What is PerkTop™?

 

PerkTop™ is beautiful pervious concrete.  Regular pervious concrete is typically clunky and whitish with an irregular surface.  PerkTop™ is none of these, it is very fine-textured, with rich colors and an extremely consistent surface throughout.  Many different patterns can be created using PerkTop™ and literally any color is possible, from any shade of earth-tone to deep purples,  fire engine reds, and banana yellows.

 

PerkTop™ is:

  • many design possibilities

  • very fine textured

  • consistent finish

  • rich colors

  • durable

Costs

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Guaranteed Results

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Maintenance/Clogging

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Soil Percolation

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