Our specialised experience and high-quality workmanship have been our key strength for over 20 years.

Our Services

We offer a wide range of services in Dam Liner, Dam Covers, Landfill & Mining. Click here for more information on these services or contact us for a quote.

Talk to an Expert

DDT has a stable and dedicated work force guaranteed to help you through any projects – contact our team today for a quote.


For an insight into some of the projects we have completed and the materials we use, click here!


DDT Liners is in the business of supplying and installing geosynthetic material solutions to a wide range of industries. Our specialised experience and high-quality workmanship have been our key strength for over 20 years. A DDT Liners project is guaranteed to be of the highest possible standard and will meet or exceed any expectations.

We continue to maintain ongoing relationships with top material suppliers and are constantly staying ahead of innovations and changes in the industry at large.

DDT Liners is home to people who are passionate about their work, have personally trained across every aspect and are dedicated to upholding the hard-earned name and reputation.

Our trusted site teams also have top industry certifications and have proven their dedication to delivering quality outcomes time and time again.

The DDT Liners team have an outstanding reputation in the industry and working with us will prove why.

Our Applications

DDT Liners offer a wide range of product applications and materials that will suit all of your needs. Click on the links to find out more information or contact our team today for a quote!





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Contact DDT Liners

Our team is committed to providing the best possible service to all of our customers. For general enquiries fill out this form and we will get back to you as soon as we can.

Employment Opportunities

DDT Liners have a solid permanent staff base. However, we are willing to consider potential employees for both permanent and casual positions.

DDT Liners has a NIL TOLERANCE Drug & Alcohol Policy. Our staff are rigorously tested to ensure the safety of themselves and fellow staff members. We also perform pre-employment medicals to ensure any potential employees are fit to perform the kind of work we do.

If you’re interested in applying for a position, please either email your resume to ddtliners@ddtliners.com.au or post to: DDT Liners, PO Box 6493, Toowoomba West Qld 4350