Firth’s EcoPave® System – a friend to the environment
Stormwater runoff from traditional pavers and driveways can often cause stormwater systems to be overloaded in heavy downpours. Firth’s EcoPave® System is an alternative to traditional pavers and concrete as it allows stormwater to permeate the paver (or its surrounds) thus significantly reducing peak water flow during storms.
Firth’s EcoPave® system also preserves water quality. Stormwater contains pollutants such as chemicals, fertilisers, sediment and oils, destroying the quality of water flowing into catchment areas. The EcoPave® system permits rainwater to be absorbed by the pavement and contaminants are filtered by the greywacke aggregate sub-base, putting a cleaner water back into the ground or stormwater system.
Firth’s FlowPave in first ever 10 Homestar rated house
The 140sqm, two-storey home in Addington, Christchurch, New Zealand’s first 10 Homestar home, was designed and developed by architectural designer Bob Burnett and features Firth FlowPave. “Firth has several permeable options and we chose FlowPave (200mm x 100mm x 80mm) in Black Sands as it has an enlarged nib on all four sides which creates very good drainage capability as ninety percent of the site had to be permeable to satisfy the Homestar requirements,” said Bob.
PlaceMakers prefer Firth PorousPave®
Firth’s PorousPave®, one of the options in Firth’s EcoPave® range of systems, is an alternative to traditional pavers and concrete and was chosen for use in the PlaceMakers Albany store car park. Stormwater runoff from traditional pavers in large areas such as car parks can cause stormwater systems to be overloaded with surface flooding and pollution, impacting services customers and the environment. So when designing their store at Oteha Valley Road Extension in Albany, PlaceMakers chose the PorousPave®.
New FlowPave Set – a trendy environmental option
An extension required for the Matakana Chocolate factory in KeriKeri saw Firth’s brand new FlowPave Set chosen over the more traditional looking PorousPave® by the owners to satisfy the Council who had requested the use of a permeable paving option for the forecourt of the development to alleviate concerns over the stormwater water runoff from such a large paved area.
Advantages of the Firth EcoPave® System:
- Reduces rainfall runoff from hard surfaces decreasing demand on drainage systems
- Reduces the need for retention structures such as ground sumps
- Recharges natural groundwater and aquifers
- Improves hydrological management of stormwater peak flow by releasing in a controlled manner
- Heavy metals such as zinc and copper are filtered by cationic exchange using greywacke sub-base drainage aggregates
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