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RootRain Precinct

Essential irrigation and aeration for rooting areas below hard surfaces.

GreenBlue’s RootRain Precinct 100 irrigation and aeration system maintains long term soil health and fertility by facilitating high volumes of water and nutrients such as oxygen to reach the tree rooting area directly, and allowing toxic gasses to escape. This is critical for trees for, without water and aeration, soil beneath paved areas will quickly become anaerobic and unable to support the life of the tree.

The Precinct 100 is designed with irrigation and aeration of the wider tree pit in mind, but can be used for the primary root-ball irrigation depending on the type of tree surround being used. The heavy-duty cast aluminium structure is perfect for heavily trafficked hardscape areas.


  • Constant gaseous exchange – vital for soil health
  • Critical for tree survival and longevity
  • High-quality robust construction for durability during construction and throughout working life
  • Can be used in conjunction with virtually any type of paving finish


  • Heavy-duty aluminium inlet withstands high loads inc. street sweepers
  • Lid lifts and swings to one side for fast irrigation & maintenance
  • Flush finish ensures no trip hazard
  • Unique integral self-cleaning mechanism


CodeInletsInlet sizePipe lengthPipe diameterLoop diameter
RRPREC1C1 no110mm (4″)3m (10′)60mm (2 1/2″)895mm (2′ 11″)
RRPREC2C1 no110mm (4″)5m (16′ 5″)60mm (2 1/2″)1530mm (5′ 2″)
RRPREC3C1 no110mm (4″)8m (26′)60mm (2 1/2″)2490mm (8′ 2″)
RRPRECDI3C2 no110mm (4″)8m (26′)60mm (2 1/2″)2490mm (8′ 2″)


BodyADC12 AluminiumMachinedNatural
LidADC12 AluminiumBrushedNatural
PipeRecycled HDPENaturalBlack
TeeRecycled HDPENaturalBlack
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