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Technology Spotlight: Teretek® 

Teretek® provides a fast, clean, and economical solution to void filling, ground improvement, and level correction.

This innovative technology uses specialised expanding polyurethane resins injected via small penetrations beneath sunken or subsided concrete slabs or foundations. It allows us to gently, efficiently, and precisely lift and re-level structures.

Unique Features:

· Non-invasive – No excavation required

· Minimally disruptive to occupants and operations

· Designed for precise and controlled lift

·  Lightweight and strong

· Water & chemical resistant

· Rapid installation

Since 1989, Mainmark has pioneered Resin Injection technology in Australia and is the industry leader in re-levelling, ground improvement, and void-filling solutions.

Contact us to see whether Teretek® is suitable for your next project.

Unique Features of Teretek®

Precision Re-Levelling

Teretek results in accurate lift or ground improvement beneath existing structures.

Minimally Invasive Process

Teretek only requires small holes for the resin injection, resulting in a low-impact solution for the structure.

Quick and Efficient

Teretek provides a fast solution, minimising downtime and business interruption.

Environmentally Inert

Teretek resins are water-resistant, chemically stable, and do not leach.

Need help?

Need help with a project? Contact us today.

Nick St John
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Mainmark

© 2025 The Mainmark group of companies. ‘Mainmark®’, ‘Terefil®’, ‘Terefirm®’ and ‘Teretek®’ are trademarks of the Mainmark group of companies.

Mainmark Ground Engineering Pty Ltd
ABN: 51 606 182 503

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