About Us

Proudly servicing NSW since 2004

Preservation Technologies

We specialise in concrete repair and protection, facade repair and refurbishment, waterproofing, heritage repair and restoration.

Servicing the NSW remedial industry since 2004, and with over 100 years of accumulated management experience, Preservation Technologies has delivered hundreds of successful remedial projects to become a leader in the field.

With a wealth of experience and a commitment to keeping up-to-date with the latest materials and methodologies.

Maintaining industry best practice in all aspects of OH&S and environmental management, Preservation Technologies is committed to safe sites and minimal environmental impacts.

Providing clients with cost effective, lasting solutions.

Working with asset owners and consultants to deliver quality outcomes through regular and open communication.

Providing clients with cost effective, lasting solutions.

Meet the Team

The team at Preservation Technologies is drawn from a wide range of
backgrounds and calls on a wealth of different skills and experience.

A strong background in the construction material supply sector in both Australia and South Africa, and a degree in marketing, sees John uniquely positioned for his role.
A founding director at Prestech, John is responsible for all new business and estimating.

John O’Connell


A civil engineer and licensed builder Peter has 40+ years’ experience across most facets of construction – with over 25 years’ experience in the remedial sector. A founding director at Prestech, Peter oversees all staff and operations.

Peter Smith


Ramiro brings youth and vigour to the team! A licensed carpenter and full builder Ramiro has also completed a Master’s Degree in Construction Project Management – a great blend of theory and practice.

Ramiro Garcez


A brickie by trade, and licensed builder, Mark brings a practical, “hands-on” approach to his project management style. Many years of experience in remedial project delivery.

Mark Lenz

Project Manager

As the company’s Accounts Manager, Liza wears many hats – and runs a tight ship! Responsible for payroll, and all in-house accounting functions.

Coliza Cho

Accounts Manager

Call (02) 8565 7777 for a free quote on your project or get in touch