PorousPave®
Product Description
Firth PorousPave is one of the paver options in the Firth EcoPave® System. The paver has a very open texture which allows water to filter through it to the underlying drainage medium. Porous nature of the paver allows water drainage. 60mm paver ideal for paths, patios, light residential traffic areas and public footpaths and 80mm paver suitable for medium residential traffic areas.
Size
200L 100W x 60/80D mm 50 units per m2
Suitable for
- Driveways
- Paths
- Patios
Benefits
- Reduces rainfall runoff from hard surfaces, decreasing the demand on drainage systems.
- Reduces the need for retention structures (e.g. ground sumps, ponds or dams) and maximises land use by retaining water within the Permeable Paving System.
- Recharges natural groundwater and aquifers.
- Improves hydrological response of stormwater peak flow by holding and releasing in a controlled manner.
- Filters run off water by removing heavy metals such as zinc and copper through cationic exchange when using greywacke sub base drainage aggregates.
Technical Files
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SDS Firth Masonry
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The long term performance of pervious paving - technical paper from Stormwater Conf 2016
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Firth EcoPave® Permeable Paving Range Brochure
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Permeable Pavements Stuart Girvan November 2015 Firth Workshop
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Auckland Unitary Plan Stormwater Management Provisions: Cost Benefit Assessment TR2013/043