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Energy-neutral floating houses in Rotterdam waterproofed with Firestone RubberGard EPDM

Firestone Building Products EMEA come Roofing

The Nassauhaven, in the Feijenoord district in Rotterdam, was originally an industrial area for companies that had to be located on waterways and needed a railway connection. In the second half of the 20th century, when road transport became more popular, many companies left the area and the Nassauhaven turned into an unused harbor basin.

Light as a feather, yet robust

In 2019, Public Domain Architects (PDA) started a first pilot to develop a neighborhood of 18 houses floating on the Nassauhaven’s tidal water. The houses were designed to be future-proof, sustainable and great to live in. In crowded cities such as Rotterdam, where there is limited space and a growing demand for quality housing, this project presented itself as a very sustainable solution.

All floating houses were prefabricated offsite. Once the walls were finished, the roofs were waterproofed with Firestone’s RubberGard EPDM 1.1 mm thick roofing membrane, fully adhered on top of the PIR insulation. The houses were then transported to their final location at the Nassauhaven.



RubberGard EPDM is ideal for prefab construction. It is available in a wide range of widths, which maximizes efficiency and minimizes material waste. In addition, it is installed without using open flame, which is a very important aspect of off-site construction.

RubberGard EPDM is also extremely durable, resilient and is compatible with photovoltaic and green roofs. It is also an inert material, which means that it does not release pollutants into the rainwater that runs off the roofs. This allows rainwater to be released directly into the Nassauhaven without the need for further treatment.

Learn more about Firestone’s RubberGard EPDM roofing system and why it offers the perfect solution for solar roofs and prefabricated construction.

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