Structural Underpinning

At EnviroMarine Services, we provide professional structural underpinning solutions for residential, commercial, and industrial projects across Brisbane, the Gold Coast, and throughout Southeast Queensland.

Structural underpinning is a critical process used to stabilise and strengthen existing foundations that have been compromised by soil movement, settlement, or nearby excavation works. Our experienced team offers a full range of underpinning methods, including conventional concrete pit underpinning, micropiles, bracket piles, and screw piers, ensuring we can deliver tailored solutions to suit a variety of ground conditions and structural requirements.

Using advanced piling equipment and engineering expertise, we address issues such as foundation movement, structural cracking, retaining wall stability, and building settlement control. Our screw pier underpinning systems are particularly effective in areas with poor bearing soils, providing reliable load transfer and long-term stability for distressed foundations.

Micropile underpinning allows for precision installation in confined or sensitive locations, making it ideal for existing buildings and complex projects. We also specialise in bracket pile underpinning, often used in conjunction with earth retention systems to reinforce adjacent foundations during excavation works. With a strong focus on safety, compliance, and durability, EnviroMarine Services ensures each project is delivered to engineering specifications and meets Australian building standards.

Whether you require remedial underpinning for an existing structure or proactive foundation support for a new build, our team has the capability, experience, and equipment to deliver cost-effective, lasting results.

Conventional Concrete Pit Underpinning

Is accomplished from small, wood sheeted pits constructed beneath the foundation. Following excavation to the desired level, the pit is filled with concrete to within several inches of the foundation underside. Load transfer is accomplished by dry-packing the gap with stiff mortar.

Micro Piles

Can be utilised also for underpinning. They would typically be installed immediately adjacent to the structure to be supported. A pile cap or temporary bracket may be mounted to the underside of the footing and may be used to transfer the load to the Micro Pile.

Bracket Piles

Typically used in conjunction with earth retention work to support and / or stabilise existing functions adjacent to a proposed excavation. The new piles are installed in pre-drilled holes alongside the exposed wall or column footings. A bracket is mounted to the underside of the footing and attached perpendicular to the new pile to transfer the load below excavation subgrade.

Screw Piers

Are structural underpinning elements primarily used for foundation settlement control. The piles are hydraulically screwed in the ground until the required resistance is reached to achieve pile capacity, and attached by means of a bracket to the adjacent distressed footing.

Why Choose EnviroMarine for your Underpinning and Foundation Repair Needs

EnviroMarine Services is a trusted provider of structural underpinning and foundation repair services across Brisbane and the Gold Coast.

Our proven expertise in screw piers, micropiles, bracket piles, and concrete pit underpinning allows us to design and deliver tailored solutions that restore stability, extend the lifespan of existing foundations, and protect buildings from future settlement. With extensive experience working in residential, commercial, and marine environments, our team understands the complexities of foundation failure and the importance of precision in every stage of underpinning. We take pride in combining engineering knowledge with practical site experience, ensuring safe, efficient, and durable outcomes that meet Australian standards.

Whether you are experiencing subsidence, preparing for nearby excavation, or require reinforcement for ageing foundations, we provide obligation-free design advice, cost estimates, and site assessments to help you make informed decisions about your project. EnviroMarine’s underpinning specialists are equipped with advanced technology and a fleet of barges and plant to support both land-based and waterfront foundation work. Our commitment to quality workmanship and reliable project delivery has made us a leading choice for underpinning services across Southeast Queensland.

Contact EnviroMarine Services today to discuss your foundation strengthening or underpinning needs.