Infiltration
Infiltration is the preferred method of managing stormwater in permeable soils when a downstream discharge network is not present or permitted. A soakaway will allow water to soak from the system into a gravel sub-base which will temporarily hold water before allowing it to seep into the ground.
For this application our Rainsmart soakaway crates are wrapped in needle punched non-woven geotextile before being buried in porous permeable soil. A pre-filter such as a silt trap or catchpit is also recommended for upstream debris removal.
Modern soakaway crates are a far better option than traditional gravel and pipe-based systems. Our Rainsmart crates have a 95% void ratio compared to 30% in traditional gravel and pipe-based systems. This means that you’ll need a smaller footprint for the same storage volume which will significantly save on installation costs while causing minimal site disruption.
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- Code PDHCC60
- Brand Polydrain
- Size 0.2 Cubic Metres
£42.04 £50.45 £46.71 £56.05 Save 10% -
- Code PDHCC60M3
- Brand Polydrain
- Size 1 Cubic Metre
£210.18 £252.22 £233.53 £280.24 Save 10%Bulk Save - View Offer -
- Code PDHCC60M3K
- Brand Polydrain
- Size 1 Cubic Metre
£491.81 £590.17 £546.45 £655.74 Save 10% -
- Code PDHCC
- Brand Polydrain
£0.38 £0.46 £0.42 £0.50 Save 10% -
- Code PDHCSC
- Brand Polydrain
£0.38 £0.46 £0.42 £0.50 Save 10%
