Ask a Concrete Engineering Expert

Contech is your go-to resource for all your concrete engineering questions.


We know that navigating the complexities of concrete repair and strengthening projects can raise many questions, and we’re here to provide you with the answers and guidance you need.

Why ask a Contech Expert?

Contech are New Zealand’s experts in:

  • Post-tensioned concrete construction, including post-tensioned slabs (both ground level or suspended), and post-tensioning systems for unusual structures.
  • Concrete protection, including pile jacketing for bridge or wharf piles, SewperCoat to repair and protect water and wastewater infrastructure, and cathodic protection to protect against corrosion.
  • Concrete repairs, including epoxy injection to repair cracked concrete and patch repairs and sprayed concrete to strengthen concrete structures
  • Restoration of concrete structures to strength including FRP strengthening and seismic strengthening.

We have a wealth of knowledge combined with decades of practical experience in the field of concrete engineering. We’re happy to share our expertise with you to help you make informed decisions about your projects.

Got a question? Here’s how to ask us

  1. Ask Your Question: In the form provided below, simply type in your question related to concrete engineering, construction, repair, or any related topic. No question is too big or small – whether it’s about concrete slab design, bridge construction, seismic strengthening, or any other aspect of concrete engineering, we’re here to help.
  2. Contact Information: Include your name and email address so we can get back to you with a response.
  3. Submit: Click the “Submit” button, and your question will be sent directly to our team of experts.

Once we receive your question, we’ll pass it to the best person to help you, and they’ll be in touch with a response.


Ready to get your concrete engineering questions answered? Simply fill out the form below, and our team of experts will provide you with the guidance you need.