WE EXPLORE ALL OPTIONS UP-FRONT SO YOU CAN MAKE INFORMED CHOICES ABOUT THE SOLUTIONS THAT ARE GOING TO ADD THE MOST VALUE, WITHOUT THE RISK OF COST BLOW-OUTS AND UPHEAVAL. THE RESULT IS A STRAIGHT FORWARD PROCESS THAT NOT ONLY ENSURES YOUR BUILDING’S FUTURE BUT CAN ALSO ACHIEVE LOWER MAINTENANCE COSTS AND A VALUATION BOOST TO YOUR ASSET.

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Facade & Cladding Services


Aluminum Composite Panel (ACP)

Trust a team with decades of experience in facade remediation to complete these urgently required rectifications, currently affecting thousands of properties across Australia.

Facade upgrades

From complete structural overhauls to subtle aesthetic makeovers, enhance your property with a customised facade solution tailored to your budget and needs.

Window replacement & repairs

A reputation second to none for window and door replacement in ageing high-rise buildings, having completed many largescale projects across Australia.

Facade repairs

We bring extensive expertise in the repair exterior building facades, protecting against the effects of natural deterioration as well as faulty design and workmanship.

Heritage works

Remaining sensitive to heritage legislation at all times, our skilled and passionate trade professionals respect and preserve the historical value and traditional workmanship of your property.


CJ Duncan completed a cladding replacement project for Centuria at St Leonards where I was the client representative. The work they did was of a high standard and with good attention to detail. I would be happy to recommend the CJ Duncan team for cladding and remedial projects.

Hannah Knight

Development Manager | Centuria Capital Limited

CJ Duncan | Building Strong
2020-10-27T09:29:28+00:00

Hannah Knight

Development Manager | Centuria Capital Limited

CJ Duncan completed a cladding replacement project for Centuria at St Leonards where I was the client representative. The work they did was of a high standard and with good attention to detail. I would be happy to recommend the CJ Duncan team for cladding and remedial projects.

Thank you very much for assisting us with not only replacing the combustible cladding from our building, but also your assistance with the complicated council sign off process. Additionally, thank you for your patience, help and support. You cannot possibly imagine the relief that this closure brings me and the owners group.

Darren Windus

OC Chairman, Marquis Apartments – Killara

CJ Duncan | Building Strong
2020-08-26T17:01:11+00:00

Darren Windus

OC Chairman, Marquis Apartments – Killara

Thank you very much for assisting us with not only replacing the combustible cladding from our building, but also your assistance with the complicated council sign off process. Additionally, thank you for your patience, help and support. You cannot possibly imagine the relief that this closure brings me and the owners group.

I have worked with CJ Duncan for many years and on various remedial projects. They are professional, friendly and focused on solving building problems. They have the right attitude to making sure that the work is fit for purpose and executed to a high level with care and skill.

Paul Ratcliff

General Manager | Building and Waterproofing Inspections

CJ Duncan | Building Strong
2020-09-08T11:23:49+00:00

Paul Ratcliff

General Manager | Building and Waterproofing Inspections

I just wanted to write a quick note to say thank you to you and your team for the completed works at Mantra on Kent. The team were very professional and completed the job on time are very happy with the final works.

I worked closely with the CJ Duncan team on the rectification of the Zenix Residential Complex at Alexandria. It was delivered by a team with a positive attitude who always presented well, and managed themselves and their subcontractors professionally.

Danielle Hynard

Jackson Teece

CJ Duncan | Building Strong
2019-10-03T07:15:38+00:00

Danielle Hynard

Jackson Teece

"I worked closely with the CJ Duncan team on the rectification of the Zenix Residential Complex at Alexandria. It was delivered by a team with a positive attitude who always presented well, and managed themselves and their subcontractors professionally."

I would like to call out the professionalism and expertise that was demonstrated consistently by CJ Duncan on our project to ensure the owners requirements were not only met but exceeded.

SHANE ALLEN

Owners Corporation Pavillions Glebe

CJ Duncan | Building Strong
2019-10-03T07:13:44+00:00

SHANE ALLEN

Owners Corporation Pavillions Glebe

I would like to call out the professionalism and expertise that was demonstrated consistently by CJ Duncan on our project to ensure the owners requirements were not only met but exceeded.

CJ Duncan's support and dedication was outstanding. The team repeatedly demonstrated their willingness to go out of their way to ensure they delivered the outcome required. The support on site was a stand-out point for CJ Duncan. They did a great job managing tradesmen, owners and tenants to ensure all works were completed to a high standard.

STEPHEN GILCHRIST

Masters Management Australia

CJ Duncan | Building Strong
2019-10-03T07:14:27+00:00

STEPHEN GILCHRIST

Masters Management Australia

The support on site was a stand-out point for CJ Duncan. They did a great job managing tradesmen, owners and tenants to ensure all works were completed to a high standard.

I have worked with CJ Duncan on various cladding replacement projects. CJ Duncan is an experienced team, dedicated to providing a great outcome for the client. I believe CJ Duncan are leading the industry in cladding replacement and rectification. These guys go the extra mile.

Johnny McGirr

Director

Cladding Compliance Australia

CJ Duncan | Building Strong
2019-12-09T13:52:30+00:00

Johnny McGirr

Director

Cladding Compliance Australia

I have worked with CJ Duncan on various cladding replacement projects. CJ Duncan is an experienced team, dedicated to providing a great outcome for the client. I believe CJ Duncan are leading the industry in cladding replacement and rectification. These guys go the extra mile.

I just wanted to write a quick note to say thank you to you and your team for the completed works at Mantra on Kent. The team were very professional and completed the job on time are very happy with the final works.

Emma Soutter

Area General Manager - NSW | Mantra on Kent

CJ Duncan | Building Strong
2020-08-26T17:02:47+00:00

Emma Soutter

Area General Manager - NSW | Mantra on Kent

I just wanted to write a quick note to say thank you to you and your team for the completed works at Mantra on Kent. The team were very professional and completed the job on time are very happy with the final works.

Over a long and sometimes difficult project, Brent from CJ Duncan was always professional in his approach to the works, and on numerous occasions, he demonstrated a thorough understanding of the needs and requirements of some demanding residents while still managing to “get it done”.

Rod Pyne

Building Manager | 1 Lauderdale Avenue, Fairlight

CJ Duncan | Building Strong
2020-09-30T10:15:17+00:00

Rod Pyne

Building Manager | 1 Lauderdale Avenue, Fairlight

Over a long and sometimes difficult project, Brent from CJ Duncan was always professional in his approach to the works, and on numerous occasions, he demonstrated a thorough understanding of the needs and requirements of some demanding residents while still managing to “get it done”.

Issues were never brought to me without a solution. The team was always available, responsive and nothing was too hard or a bother for them. They were fantastic to deal with.


PETER GEISSLER

Geicon Construction Management

CJ Duncan | Building Strong
2019-10-03T07:15:04+00:00

PETER GEISSLER

Geicon Construction Management

Issues were never brought to me without a solution. The team was always available, responsive and nothing was too hard or a bother for them. They were fantastic to deal with.
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CJ Duncan | Building Strong

CJ Duncan prides itself in having long standing relationships with a number of clients, customers, consultants and architects, as well as skilled tradespeople and suppliers.