Why Choose De Boer DuO Waterproofing?

The De Boer DuO roof system is a premium two-layer torch-applied membrane engineered for exposed architectural applications. Whether you are waterproofing flat roofs, podium decks, balconies, or terraces, DuO provides a superior, flexible, and UV-resistant barrier designed to withstand the harsh Australian climate.

This system has been fully assessed and compliant with the Australian Building Code, ensuring high-performance standards for local construction.

Key Benefits of the DuO System


De Boer DuO HT 4 Slates/F C180 FC (Firecare)

TPO/SBS Fire Retardant Standard Capsheet

Designed for waterproofing plywood and concrete flat roofs, podiums, and balconies. This membrane is intended to be left exposed and has been rigorously tested for its fire-retarding capacity. Available colors include Brown Oxide (BO), Grey/White (GW), White/Green/Grey (WGG), and Black (AGR).

De Boer DuO HT 4 Slates/F C180 FC AERO

TPO/SBS Vapour Transmission

Specifically engineered with a vapour distribution layer. This design allows for vapour transmission under the waterproofing, preventing the formation of bubbles or blisters trapped beneath the membrane.

De Boer DuO HT 4 C180 FC NO FLAME

Cold Adhesion Technology

An ideal solution for sensitive sites, this version can be applied to plywood or concrete surfaces without the use of an open flame.

Ready to protect your asset? Explore our full range of waterproofing products here.

Information sourced from the official De Boer technical specifications. Visit De Boer International