Porous Grid Pavers

Build a sustainable world with Invisible Structures! Grasspave2 and Gravelpave2 have limitless commercial and residential applications.

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Since 1982, the crew at Invisible Structures has been revolutionizing Porous Grid Paving Solutions to support greener environments in all regions – urban, rural and everywhere in between! Permeable Grid Pavers play a crucial role in Low Impact Development by addressing complicated environmental, social, and economic challenges with simple, powerful, solutions. Combatting carbon emissions, controlling stormwater events, and creating thriving habitats for vegetation are just some of the reasons why large-scale commercial projects, and DIY homeowners alike are “Porous Paving” with Grasspave2 and Gravelpave2. Pave Green. Store Green. Build Green.

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Stormwater Management

Traditional paving materials, such as concrete and asphalt, are impervious surfaces that contribute to stormwater runoff. Porous paving, on the other hand, allows water to infiltrate the ground, reducing the volume of runoff and minimizing the risk of flooding. This natural filtration process also helps remove pollutants from stormwater, protecting local waterways and ecosystems. The deeper the base course, the more space for water to infiltrate the ground and eliminate it from the surface.

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Heat Island Effect Reduction

The heat island effect occurs when urban areas are significantly warmer than their surrounding rural areas due to human activities and the prevalence of heat-absorbing materials. Porous paving materials, such as Grasspave2 and Gravelpave2, have a lower heat retention capacity compared to traditional concrete and asphalt. This helps reduce the heat island effect, leading to cooler urban environments and lower energy consumption for cooling.

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Carbon Sequestration

By incorporating vegetation into porous paving systems like Grasspave2, carbon dioxide (CO2) is absorbed from the atmosphere and stored in the plants and soil, contributing to carbon sequestration. This process helps mitigate climate change by reducing the overall concentration of greenhouse gases in the atmosphere.

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Erosion Control

Porous paving materials promote natural drainage and reduce the velocity of stormwater runoff, which in turn minimizes soil erosion. This is particularly beneficial in areas with steep slopes or sensitive ecosystems, where soil erosion can have significant environmental impacts.

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Habitat Preservation

Porous paving systems can help preserve and even enhance local habitats by promoting the growth of vegetation and supporting biodiversity. This is particularly important in urban areas where green spaces are limited, and native flora and fauna struggle to thrive.

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Aesthetic Appeal

Porous paving materials offer an attractive alternative to traditional paving options, with a wide range of design possibilities. By blending seamlessly with the surrounding environment, porous paving can enhance the visual appeal of urban landscapes and contribute to a sense of peace and well-being for residents.

A Better Way to Pave: Applications for Porous Paving

Created by a Landscape Architect, Grasspave2 and Gravelpave2 offer an attractive and sustainable alternative to traditional heat retaining concrete pavers while ensuring ADA accessibility. Grasspave2 and Gravelpave2 boast remarkable compressive strength and enhanced permeability, thanks to their 94% void space and 15,940 psi compression strength. With a smooth, ADA-compliant surface that will remain smooth and stable for its duration without “popping up” like rigid pavers, and a proven track record since 1982, Grasspave2 and Gravelpave2 are perfect for various applications.

Fire lanes

Ensure quick and easy access for emergency vehicles with porous paving solutions that can withstand the weight and pressure of the heaviest fire trucks, and a surface that will remain smooth and stable without the corners or sides of pavers “popping up” like the competition due to differential settling. Grasspave2 and Gravelpave2 remain smooth, stable and reliable surfaces – the most approved porous pavers by Fire Departments in the Nation.

Parking Lots

Create environmentally friendly and visually appealing parking lots that reduce heat retention and promote natural drainage by converting part or all of the parking area to Grasspave2 or Gravelpave2. Grasspave2 works best for low-speed, infrequent parking and passes such as
stadium, church, overflow or guest parking. Gravelpave2 is an excellent solution for low-speed, frequent passes and unlimited parking areas creating a wide variety of options.

Driveways

Upgrade your driveway with a durable and attractive alternative to traditional concrete pavers. No more rutting, cracking, pooling or replacing concrete every several years. Gravelpave2 offers an excellent solution to all frequently used driveways while Grasspave2 may be used for driveways used more seldomly. Both promote excellent drainage, prevent rutting, mud, are fast and easy to install over any driveway with an uneven surface, with or without curves, and have a lifespan of at least 60 years.

ADA Surfaces

Grasspave2 and Gravelpave2 are the only porous pavers with ADA ATSM certification per the DOJ since 1995, to provide a smooth, stable and accessible surface that is aesthetically pleasing for all ADA users. Our pavers will never “pop up” like the rigid pavers because ours are flexible and are unaffected from the freeze/thaw cycle, yet still provide the highest strength capacity in the industry with an astounding 15,940 psi due to the cylindrical design.

Featured Porous Paving Products

For a green porous paving solution, trust Grasspave2 – the industry’s leader since 1982. Designed by a Landscape Architect, Grasspave2 comes in easy-to-install rolls. It’s flexible, lightweight, durable and provides design versatility to any project.

Created by a Landscape Architect, Gravelpave2 has been the designers trusted choice for low maintenance porous paving since 1991. With a remarkable compressive strength, 5 times that of concrete, (15,940 psi) Gravelpave2 can support the weight of virtually any vehicle.

Rainstore3 is a modular, stackable, underground water containment system. Designed by a Landscape Architect for both subsurface detention basins and retention/harvesting systems in 1999, Rainstore3 has since been used in a myriad of other applications such as water/rain gardens, green roofs and sports field drainage.