Engineered soil mixes

Contrax has the expertise and experience to recommend and supply the soil mix that best suits your project – from screened topsoil through to specialist rain garden and light-weight rooftop garden mixes.

We can custom design growing media to specific weights, compositions, and filtration / water retention rates to meet your project requirements.  We offer full soil testing and certification services and can work with main contractors, architects and clients to develop mixes that support project success. All our engineered soils are prepared using quality control policies that drive consistency and accuracy.

Whether you need specialist soil mixes for tree pits, gardens, planters, stormwater detention, podiums, rooftops, green walls or sports fields and turf areas, we can help.  Our team manages the process from soil mix design to installation by crane, blowing, machine or manual installation.