Problems we solve

Finding the best solution for each ground problem requires an experienced and tailored approach.

Cracked Walls

Solutions for structural damage due to sinking foundations

Sinking Floors

Solutions for building subsidence

Unlevel Buildings

Solutions for weak ground and subsidence

Weak and Unstable Ground

Solutions for shifting ground or erosion

Holes & Voids

Solutions for cracks, crevices and large voids

Earthquake Damage

Solutions for liquefaction mitigation and ground strengthening

We're happy to have helped

“This is just a short note to thank you and all others associated with Mainmark’s work at this address. All aspects of the work were handled most professionally and politely and, so far at least (only a week has elapsed), the work has been utterly successful. Doors that were difficult now shut easily (with one exception, which can be quite easily fixed) and cracks that were noticeable have almost disappeared.
My wife and I thank you for the work, and you and all the team members for the way it was handled.”

Anthony, Ringwood, VIC. February 2019

“Job done and a fantastic result was achieved. Credit to your team, they did an amazing job.”

Adam, Tempe, NSW. August 2018

“Many thanks for taking a huge weight off my shoulders your 3 man team were thorough gentlemen and I would recommend your service to anyone with a subsidence problem.”

Alan, Palmerston North, North Island, NZ. October 2018

“I consider that they did an excellent job and performed in a very professional manner.”

Bruce, Bondi, NSW. September 2018

“Please thank the guys that raised my house today, they were prompt, efficient and very professional.
Thanks to you also for your very professional help explaining the process to us.”

Ed, Whakatne, NZ. September 2018

“Great crew, very respectful of my home and property, also explained things really clearly and so easy to get along with.”

Josie, Kaikoura, NZ. March 2018
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Latest blog posts

Global markets continue to embrace Mainmark’s innovative ground engineering solutions

Mainmark has been providing specialist ground engineering and asset preservation solutions since 1983. Originally founded in Australia, our local operation has grown into a global enterprise with offices in New Zealand, the UK, Japan and Thailand. Mainmark’s global standing received a boost after it won a major Ground Engineering Award in 2016 for its work

A commitment to excellence: remembering Mainmark founder Philip Mack

A commitment to excellence: remembering Mainmark founder Philip Mack On 9 April 2019, Mainmark staff bid a sad farewell to our company’s founder and chairman, Philip Mack. Philip originally established the Mainmark group back in 1983, building the business from the ground up. The name came from an Aboriginal word ‘manymak’, which translated to ‘good’

The sinkhole phenomenon – what causes them and how are they remediated?

When it comes to ground issues, sinkholes can appear suddenly, often with dramatic and serious consequences.  While the ground may seem to unexpectedly collapse, the reality is that sinkholes generally develop over a period of time until the ground above simply loses support and gives way, leaving a gaping hole. Understanding what causes sinkholes Sinkholes