Iconic waterproofing

The innovative Dutch company Bitufa Waterproofing's product Flexobit contains only SBS and bitumen and has been sold to customers in over 20 countries. For example, it was used to waterproof the iconic Hotel Atlantis project in Dubai.

Near the economic hotspot of Zwolle in the east of the Netherlands, the innovative company Bitufa Waterproofing BV has its production facility in Wapenveld, with an associated laboratory and research department. Production focuses on bitumen membranes used for waterproofing of buildings, cellars and roofs, for example. Bitufa's most well-known product, Flexobit, contains only SBS and bitumen and has been sold to companies in the construction industry in over 20 countries. For example, Flexobit was used to waterproof the iconic Hotel Atlantis project in Dubai.

SBS, i.e., styrene-butadiene-styrene, is a thermoplastic elastomer that has excellent durability and ageing stability when mixed with bitumen. Because Flexobit is a bituminous membrane with no filler or carrier — which most other manufacturers mix in — the detail work around corners and pile heads, for example, is safe and easy, with durable adhesion even on rough surfaces.

In order for the specialized waterproof membrane to function optimally, and withstand a lifespan of up to 20 years, it is essential that the bitumen maintain a consistently high quality. Nynas has been delivering bitumen to Bitufa for over 40 years — currently Nytop 210. Combined with polymers, it ensures good elasticity at both low and high temperatures, increased joint strength and improved cooling properties.

Bitufa recently started a new production line of roofing materials using waste as raw material: a major, sustainable leap into the circular economy.

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Noted

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Safety

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To minimise the risk of accidents and injuries when loading and unloading bitumen, Nynas holds annual driver meetings.

Interview

Brains of Nynas: Sarah Badley

Sarah Badley works as Bitumen Sales Manager, covering the North of England, but is also responsible for the Nynas Bitumen Customer Service Centre in the UK. She joined Nynas in 2014, having spent many years working in the motor industry with brands including Porsche, Mercedes-Benz and BMW. Find out what's on her mind.

Noted

All the key players are working together to achieve the best possible result.

Katri Eskola, Specialist Road Maintenance Finnish Transport Infrastructure Agency

Talking point: The COVID-19 pandemic


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