Ecobase Porous Pavers for Paths & driveways 50m2 Paving, Black, Covers 50 square metres, eg an area measuring 5 x 10m or 2.5 x 20m

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Over the weed mesh 150mm (6 inches) or sub-base is laid. For a traditional impermeable driveway the sub-base would have been made from hardcore or scalping’s that contained silt and sand. Impervious surfaces such as parking lots and paved roads are often the causes of stormwater runoff, carrying residues into streams and waterways. Although detention basins and reservoirs are effective in slowing the rate of runoff, they require additional land. Many consulting engineers and public works officials have turned to porous asphalt pavements to promote infiltration. What is Porous Asphalt? Please be aware that we currently cannot arrange for delivery of this product to the following postcodes: AB, FK, HS, IV, KA, KW, PA, PH, ZE, LL58-LL78, IM, TR, BT, PO30-41.

Uni-Group USA offers a software design program which uses the US EPA Stormwater Management Model (SWMM 4.30) for the design of permeable pavement. Carry it off to a soakaway or rain garden, where it can then be absorbed by the soil or removed without entering the drainage systemCleaning with commercial street sweeping/vacuuming equipment is recommended by some manufacturers on an approximate 4-year cycle. Additional aggregate fill material can be added to drainage openings at joints or paver voids as required. Plastic grid systems, if selected and installed correctly, are becoming more and more popular with local government maintenance personnel owing to the reduction in maintenance efforts: reduced gravel migration and weed suppression in public park settings. Traditional drainage systems require separate areas to collect and manage stormwater. With permeable pavers, the stormwater management function is integrated within the paved area itself, to eliminate the need for additional land space for drainage. Crushed aggregate filter layer aids with pollutant removal and provides stability for the stone reservoir layer during the application of pavement.

Porous asphalt pavements can be installed as a whole or in part alongside of traditional impervious asphalt pavements. The design for application of porous asphalt consists of at least four layers:

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