About Mehrtens Underpinning & Construction
Mehrtens Underpinning & Construction is a licensed building and construction company specializing in foundation repair for residential, commercial, and civil projects. With over 35 years of experience across Queensland and Northern New South Wales, we have successfully completed thousands of projects, delivering lasting and reliable solutions.
Services
Structural Piers & Re-Stumping
Pressure Grouting
Construction Company
Residential Builders
Commercial Builders
Jacking & Supports
Retaining Walls Repairs
Retaining Walls Construction
Underpinning Services QLD & NSW
Screw piers
Reinforced concrete piers
Landscaping
Structural rectification
Structural Concrete works
Brisbane underpinning
Ipswich Underpinning
Gold Coast Underpinning
Sunshine Coast Underpinning
Northern NSW underpinning
Lismore Underpinning
Ballina Underpinning
Ocean Shores Underpinning
Yamba Underpinning
Coffs Harbour Underpinning
Tweed Heads Underpinning
Byron Bay Underpinning
Evans Head Underpinning
Bundaberg Underpinning
Gladstone Underpinning
Rockhampton Underpinning
Mackay Underpinning
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Licences
(QLD) QBCC Licence Number: 727 553
(NSW) Fair Trading Licence Number: 170475C
Australian Company Number: 059 338 466
Frequently Asked Questions
What is underpinning?
Underpinning is a specialized construction technique employed to strengthen and stabilize existing foundations. This is achieved through the strategic implementation of engineered structural support, utilizing either reinforced concrete piers or concrete-reinforced screw piles to transfer the structural load to deeper, more competent strata.
How do you jack a property?
Using the newly constructed support piers, hydraulic jacks are placed strategically on top. Levels are monitored throughout the structure while jacking is underway. Once at the desired height, the area between the support pier and the existing foundation is permanently supported by the use of concrete/non-shrink grouts.
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