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bioretain
BioRetain raingarden media
Bioretain
Bioretention

BioRetain

A project specific custom blend for rain gardens.

$0.00

Per m³

+GST & Delivery

Note: pricing is indicative to Nelson Tasman only. Locations outside this region may incur additional costs.

Order Requirements

1. Project specific
2. Please contact our team for a quote
Request BioRetain
See a list of retailers in your local area that stock our products

BioRetain

bioretain
BioRetain raingarden media
Bioretain
Bioretention

A project specific custom blend for rain gardens.

$0.00

Per m³

+GST & Delivery

Note: pricing is indicative to Nelson Tasman only. Locations outside this region may incur additional costs.

Order Requirements

1. Project specific
2. Please contact our team for a quote
Request BioRetain
Categories ,

Product Features

Rain gardens
Swales
Filter Strips
Urban areas
Flood-prone areas

By moderating flooding, peak flows and spills.

Through a consultation process we will create a custom blend to suite the needs of your project.

This product is available for commercial projects used by local government, large scale contractors and land developers for stormwater management.

Product Specification Sheet PDF
Bioretain case study
Holistic approach creates high performing, low maintenance rain gardens
Bioretain devices explained

Buy in bulk regularly? Check if you’re eligible for a trade account by contacting us.

Description

BioRetain is the best product to use when developing gardens and landscaping near roads, built-up areas or on urban sites. BioRetain is a fully-functioning bioretention media utilised by local government, large scale contractors and land developers for stormwater management.

 

BioRetain prevents erosion and scouring of streams and rivers by moderating flooding, peak flows and spills. It also reduces water pollution by removing suspended solids, nutrients and dissolved metals contaminants from stormwater runoff. BioRetain also contains wetting agents so that in the drier months plants can thrive in a moist and nutrient-rich environment.

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Interest in BioRetain for a residential project?

*We require pre-order on some products and a minimum 1m³ order quantity for pickup. View products➝

Enquire about BioRetain for residential

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Our Retailers

Below is a list of our retailers. Please contact them for stock and supply.

PLEASE NOTE: Not all of our products are supplied to all retailers. We can only guarantee product quality of products we manufacture.

Nelson
  • Wholesale Landscapes – Stoke Yard (that's us!)
  • Stoke Garden & Landscapes
Richmond
  • Bay Landscapes & Garden Centre
  • Goldpine Richmond
Māpua
  • Māpua Landscapes
Motueka
  • Stonescape Garden Supplies (Concrete & Metals)
North Canterbury
  • Woodend Landscape Supplies
  • Amberley Hire & Landscape Supplies
  • Hanmer Landscape Supplies
Christchurch
  • Garden Box – Middleton
  • Urban Paving & Landscape Supplies – Harewood
  • Pearsons Landscape Supplies – Bromley
  • Styx Mill Landscape & Nursery  – Styx
  • Mitre 10 Mega Ferrymead
  • Odering Garden Centre Christchurch - Philpotts
  • Odering Garden Centre Christchurch - Barrington
  • Mainscape Garden Supplies
South Canterbury
  • Fulton Hogan Timaru
  • Ashburton Contracting Ltd (ACL)
  • Centaland
  • CMT Group
  • Kaikōura Landscape Supplies
Suggest a retailer

Get a quote for BioRetain for a residential project

Book a Delivery

Suggest a Retailer

Know of a suitable retailer that doesn’t stock our product? Let us know and we will get in touch with them. We may need some additional information from you so we’ve requested your email address on the form.

Download your PDF copy on how to rebuild the health of your soils

Submit a General Enquiry

Our Truck Volumes

3T Truck

Full truck load volumes
  • Bark: 7m³
  • Compost: 4m³
  • Supersoil: 3m³
  • Soil: 3m³
  • Shell: 3m³
  • Stone: 1.5m³

7.5T Truck

Full truck load volumes
  • Bark: 20m³
  • Compost: 10m³
  • Supersoil: 7m³
  • Shell: 8m³

11T Truck

Full truck load + trailer volumes
  • Bark: 25m³ - 65m³
  • Compost: 17m³ - 38m³
  • Supersoil: 12m³ - 29m³
  • Shell: 12m³ - 30m³
Book a Delivery

In Canterbury or other regions? We offer bulk truck and trailer load volumes throughout the South Island.

Enquire by getting in contact.

Book a free presentation

Horse Arena Surfacing

Request a Soil Health Assessment

Pick-Up Information

We welcome pick-up of product by the public for volumes 1m³ and over. Please check your estimated trailer weight rating below. If your trailer is unable to hold the weight of our minimum pick-up volume, please book a delivery. *We require a minimum order quantity of 3m³ for any bark, compost, soil or shell products and a minimum order quantity of 1.5m3 for any stones or aggregates.

single-axle-trailer-landscape-supplies-bulk
Standard trailer
(750kg limit)
  • Bark / Mulches
  • Shell
  • Compost
  • Soil
  • Stones / Aggregates
tandem-trailer-landscape-supplies-bulk
Tandem trailer
(1,500kg limit)
  • Bark / Mulches
  • Shell
  • Compost
  • Soil
  • Stones / Aggregates
tip-truck-landscape-supplies-bulk
Tip truck
(2,000kg limit)
  • Bark / Mulches
  • Shell
  • Compost
  • Soil
  • Stones / Aggregates

Product Volume Calculator

*We will quote to the nearest cubic meter.

Get a Quote

Recommended depths

Typically you need a finishing layer of screened soil of 100mm when working with an uneven surface. 100mm of soil will allow to even out any hollows and give enough depth to create a flat surface

A general rule for compost is to allow for the depth of the current root structure of your plants with an additional 30-50% to mix in with the base. If you’re planting into holes or filling up a vege garden  you will need to accommodate for this prior to filling up

We recommend 100mm (10cm) deep for new bark gardens and planting into bare areas. For existing gardens with some cover, we recommend 75mm-100mm (7.5cm-10cm)

Note: Barked areas for playground impact protection need to meet NZS5828:2015 standards and is calculated on the fall areas and the height of the playground. Please contact us to discuss your barked playground areas

For paths and driveways which are often exposed to car and foot traffic, we recommend 100mm-125mm (10cm-12.5cm) on newly prepared areas due to settling of product.

This excludes preparation, compaction or drainage gravel underneath. For existing areas 75mm thickness is recommended for areas needing a small top-up.