COMMERCIAL · CIVIL · RESIDENTIAL
NEW CONSTRUCTION · MAINTENANCE

Established in 1975, Sansom has developed an excellent reputation for resolving structural issue problems in buildings, bridges and structures.

TANKING

Sansom has been the leader in underground waterproofing in New Zealand since the early 1990s and has undertaken the largest and most complex tanking projects in New Zealand. We deliver a comprehensive approach, identifying and fortifying vulnerabilities, and tackling both existing and potential issues. With three specialised teams—Bentonite, PVC/VHDPE, and Bitumen & Specialist Membranes—we deliver robust, tailored waterproofing solutions.

FAÇADE

Sansom offers specialist façade services designed to provide resilience and longevity to structures, including the installation of precast panels and drained joint systems. Utilising our expertise from the onset of projects, we identify and mitigate risk areas, avoiding costly future repairs and ensuring optimal waterproofing from start to finish.

ROOFING

With expertise in both sheet and liquid membranes, Sansom is equipped to deliver diverse roofing needs across modern flat roofs, warm roofs, green roofs, and carpark and balcony membranes. Our track record includes numerous high-profile roofing projects and landmarks in Auckland, demonstrating our exceptional capacity to deliver structurally sound, reliable, and durable roofing solutions.

FACILITIES

As a trusted provider of facilities maintenance, Sansom excels in managing complex repairs across a variety of sectors, including hospitals, schools, and commercial buildings. We leverage our extensive industry experience to provide long-term solutions that address immediate repair needs and target root causes to mitigate future damages, enhance building longevity, and reduce maintenance costs.

CONCRETE REPAIRS

Since 1976, Sansom has been delivering structural remedial work across New Zealand. Our concrete repairs team brings diverse skills and knowledge of modern technologies to address various concrete issues, such as spalling columns, fire damage, cracked concrete, and more. We deliver highly specialised solutions to restore structural integrity and ensure long-term stability by utilising techniques like Composite (FRP) strengthening, epoxy injection, and cementitious grouting.

Waterproofing and Remedial Engineering Specialists

With a longstanding focus on maintenance repairs and structural/seismic upgrades, Sansom has established a reputation for expertise and unparalleled quality. Our extensive experience in analysing and solving building problems has made us New Zealand’s most trusted choice.

Who we work with

Our Specialist Areas

Tanking

Sansom has been the leader in underground waterproofing in New Zealand since the early 1990s and has undertaken the largest and most complex tanking projects in New Zealand.

Roofing

With expertise in both sheet and liquid membranes, Sansom is equipped to deliver diverse roofing needs across modern flat roofs, warm roofs, green roofs, and carpark and balcony membranes.

Façade

Sansom offers specialist façade services designed to provide resilience and longevity to structures, including the installation of precast panels and drained joint systems.

Facilities

As a trusted provider of facilities maintenance, Sansom excels in managing complex repairs across a variety of sectors, including hospitals, schools, and commercial buildings.

Concrete Repairs

Why Choose Sansom

Experience

Sansom is an industry leader with a proven track record spanning decades. Over the years, we have tackled the various complexities of some of the most significant construction projects across New Zealand. Our extensive expertise enables us to navigate challenges, deliver exceptional results and ensure the success of your project.

Quality Assurance

We prioritise Quality Assurance as an essential element of every project. Our utilisation of advanced platforms such as CONQA and FastFields ensures that quality standards are upheld throughout all our projects. With online and mobile accessibility, our staff can efficiently execute and document quality assurance processes, providing transparency and accountability to multiple stakeholders.

Access to Specialists

As a multi-disciplinary organisation, Sansom brings invaluable benefits to every project we undertake. With specialist expertise spanning multiple areas, we offer comprehensive solutions that address diverse project needs.

Solutions that Last

Sansom is focused on delivering long-term durability and reliability. We deliver solutions that stand the test of time by employing proven techniques, utilising quality materials, and implementing rigorous quality assurance measures

What Our Clients Say…

Roofing Client

‘Your diligence, attention to detail, very helpful communication, and very pleasant manner make you an amazing person to deal with. A true gentleman too.’

Chris Hunter

Managing Director - NZ Strong

We write this letter in gratitude for the combined efforts Sansom Ltd provided in the completion of the Hobsonville Data Centre.

Concrete Remediation Client

“Many thanks to the Sansom team members responsible for the efficiency and professionalism shown in undertaking the concrete remedial works, with the high quality of workmanship also being greatly appreciated by the Church.”

Alain Venuto

Site Manager, Naylor Love

Sansom is a company that has truly exceeded my expectations with their outstanding performance and exceptional workmanship.

Hawkins

Phillip Helleur - AJ Spicer

Hawkins are pleased to be able to provide this testimonial for Sansom for their excellent work at the Totara Haumaru Northshore Hospital project for Health NZ Waitemata.

CITY RAIL LINK (CRL)