BioRetain is Azwood's premium bioretention rain garden solution for effective stormwater management. With its specialised design, BioRetain is the ideal choice for creating rain gardens in urban areas, near roads, and built-up locations. As a trusted option for local government, large-scale contractors, and land developers, BioRetain is a fully-functioning rain garden media that offers reliable performance.

One of the key benefits of BioRetain is its erosion and flood control capabilities. By moderating flooding, peak flows, and spills, BioRetain helps prevent erosion and scouring of streams and rivers. It also plays a crucial role in water pollution reduction, removing suspended solids, nutrients, and dissolved metal contaminants from stormwater runoff.

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    Council Approved

    Council Approved Technical Media assures councils that natural alternatives to wastewater treatment, rain gardens, and stormwater management are regularly approved by NZ councils.

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