Danrae Group is an award winning roof waterproofing company.

We specialise in large scale roof transformations and are trusted by Corporate Organisations, Hospitals, Government, Retailers, Commercial Builders, Strata Managers, Project Managers, Engineers and Building Consulting Businesses.

All jobs assigned to Danrae have been completed in the given timeframe and accordance with the agreed procedure. I have always been very impressed with the high level of service and work, and I highly recommend them for any waterproofing or water ingress issues.

Shweta Ranawat from Jamesons Strata Management,

We Are Australia's Specialist Waterproofing Company.

Danrae Is Australia's leading commercial specialist waterproofing company.

Meet The CEO,

We are the Industry waterproofing specialists with approximately 25 staff that service NSW, ACT & VIC.

Clients such as Bunnings, Ikea, Campbelltown Hospital, Redlands High School, Morgans Hotel Sydney, Macquarie Shopping Centre, Rhodes Corporate Park, Penrith and Queanbeyan Government Offices and the hundreds of strata residential complexes are all supported by the Danrae.

We are the only entity that offers a lifetime warranty on our waterproofing work.

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Experience Matters.

Our business was founded in 1996 and have consistently grown our client base and list of projects. 

1996

FOUNDED

200+

CLIENTS

1,720+

PROJECTS

Danrae Has 4 Divisions.

Focus On 4 Key Areas.

Advisory Services

We assist clients with design, legislation, compliance etc.

Diagnostic Services

We can quickly assess why leaks occur and your options.

Remediation Services

We offer advice on product options and selection.

Preventative Services

We offer various plans to minimise future problems.

Common Service Requests.

Our team can assist you with any of the below.

Rooftop Audits

Rooftop Leaks

Balcony Leaks

Facade Repairs

Concrete Cancer

Crack Injection

Salting / Efflorescence

Planter Box Repairs

Concrete Spalling

Liquid & Sheet Membrane

Repair Expansion Joints

Annual Maintenance

Liquid Damp Coursing

Basement & Lift Pits Repairs

Shower or Bathroom Repairs

Plant Room Repairs

Danrae Supports The Following Sectors.

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Corporate Offices

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Best Website Company

Government Departments

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Hospitals

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Large Retailers

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Hotel Chains

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Construction

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Shopping Centres

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Residential Appartments

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School Buildings

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Commercial & Residential Waterproofing Company.

You name it, balconies, bathrooms to large 30,000 square rooftops, we can help you.

You Don't Have To Worry.

We confirm that we understand your concerns.

Miss Deadlines

We assure you that we never miss deadlines and are very disciplined in managing time.

Poor Quality Of Work

We assure you that our team have high standards, and do know what's expected, hence our offer of a lifetime guarantee.

Too Expensive

We assure you that our estimators are highly experienced and conscious of being affordable.

Outsource Work

We assure you that we have our own staff and do not outsource any work. We don't do it.

Cheap Products

We assure you that we only use the best products that offer superior results and would never waste our time or your money.

Poor Engagement

We assure you that we will communicate with all stakeholders before and during our work to ensure smooth transition.

Lack Of Experience

We assure you that all our team have the correct qualifications and skills and are highly professional Individuals.

No Juggling Jobs

We assure you that our team works on one job at a time and not in the practice of managing multiple projects.

What Clients Say About Danrae?

Our Blogs & Interesting Articles

Why We Waterproof Lift Pits?

A lift pit is an integral part of a structure and a key point for water ingress if you don’t have high-quality waterproofing in place. Lift pits extend below ground level and, just like a basement, they are damp and vulnerable to water seepage from the surrounding earth. Water will tend to seep in through cracks and rise until it reaches the level of the natural water table.

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How We Use Infrared Technology?

Waterproofing testing is particularly important at both the first and last stages of any waterproofing project. We use it for leak detection, to ensure we can correctly identify the source of water ingress and all issues including concrete spalling and cancer.

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Why We Play With Fire?

Torch-on is a flexible membrane containing bitumen and a variety of polymers. It contains asphalt in one of two forms: Styrene Butadiene Styrene (SBS), a rubber modified asphalt, or Atactic Polypropylene Plastic (APP), a plastic modified asphalt.

Read More »

They Look Great, Until They Start Leaking!

Rooftop gardens are becoming increasingly popular in strata and commercial spaces due to their environmental, aesthetic and wellbeing benefits. They require a slightly different approach to standard flat roof waterproofing, with a few key considerations.

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Understanding Scope

Strata managers often need to oversee all aspects of administration and facilities management which may mean getting to know diverse aspects of building construction and maintenance… including waterproofing.

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Plumbers Don’t Have A Licence To Waterproof?

In NSW, all waterproofers should be licenced, registered and insured. The Department of Fair Trading issues licences for contractors, supervisors and companies for one, three or five years, and a licenced waterproofer can only conduct the type of work described on their certificate.

Read More »

Quick Quote

Services

Sydney Office

Unit 3
1-3 Whyalla Place,
Prestons, NSW 2170

Wollongong Office

Level 1,
1 Burelli Street,
Wollongong, NSW 2500

Canberra Office

Level 2,
18 Winchcombe Court,
Mitchell, ACT 2911

Melbourne Office

Level 12,
43 King Street,
Albert Park, VIC 3203