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

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

The value of ground strengthening for redevelopments in seismic prone areas

The devastation caused by seismic events in New Zealand, including the significant 2010 and 2011 Canterbury earthquake sequence, has seen growing awareness about the interaction between building structures and soil during an earthquake. The challenge for home owners and developers undertaking earthquake strengthening works is to consider both ground strength and building behaviour so that

How extreme weather can affect your home’s foundations

Extreme weather events, natural disasters and extended dry spells have a significant impact on the ground and subsequently, on building foundations. Summer 2018/19 was the third-warmest ever recorded in Australia, and the hot weather pattern has continued, with January one of the hottest on record across both Australia and New Zealand.  While many of us