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Void Filling


Advanced Void Filling Solutions

Mainmark offers comprehensive void filling solutions for diverse market sectors, using specialised chemical or cementitious grouts.

These products are suited to a wide range of solutions, from foundation re-support and decommissioning underground services to mass void fill. We select materials based on void size, location, and site-specific requirements. Not only are our methods usually more cost-effective than traditional alternatives, but they also minimise disruptions, allowing businesses to operate seamlessly.


Find out more about our void filling technologies

Teretek® Resin Injection

Learn more about Teretek


Learn more about Terefil

Key Features

Benefits of Mainmark’s Void Filling Solutions

Fast Execution

Works are carried out quickly, with minimal disruption to ongoing operations.

Varied Density Choices

We provide materials across a wide density range, from 30 to 1500 kg/m3.

Designed Strengths

Our materials can be designed for strengths ranging from 50 kPa to more than 20 MPa.

Variable Flow Properties

Our materials have variable set times, from seconds to hours, and can be pumped over long distances.

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Contact us about your project

Step 1

Submit your enquiry using our online form. Include a brief message about the type of problem you are experiencing.

Step 2

One of our expert team members will be in touch to schedule a site inspection that suits you.

© 2024 The Mainmark group of companies. ‘Mainmark®’, ‘Terefil®’, ‘Terefirm®’ and ‘Teretek®’ are trademarks of the Mainmark group of companies.

Mainmark Ground Engineering (NZ) Ltd





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