Stakeholder - Asset International Limited

Asset International Limited is the world’s leading manufacturer of Weholite large diameter pipes.

As Uponor Infra’s UK and Irish licensee for the internationally renowned Weholite HDPE (High Density Polyethylene) Structured Wall Pipe and Weholite Modular brands, Asset International Limited provide creative, innovative and best-value designs for use in the water management industry.

Weholite products are used extensively throughout the industry, both in the UK and internationally. Industry sectors include flood defences, housing, sewerage, biogas, drainage, marine solutions, venting, ecological heating and cooling, and engineering SUDS.


A division of the HS Utilities Group of Hill & Smith Holdings plc, Asset International began life in 1953 as the main European manufacturing base for Armco Construction Products and became famous for the W-section safety fence that can be found on motorways to this day.

In 1995 Asset International acquired the UK license to manufacture and sell Weholite from KWH Pipe of Finland, one of the world’s most innovative plastic pipe companies. KWH Pipe – now trading as Uponor Infra – continues to invest internally, allowing the Company to manufacture state-of-the-art processing machinery.

Today Asset International is the world’s largest producer of Weholite. With a specially equipped 6,000sq m Weholite factory in South Wales, Asset International is able to provide a comprehensive design service tailored to meet the individual specifications of each client.

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Contact Us

Asset International Limited

Stephenson Street,


South Wales,

NP19 4XH

T: 01633 273081

F: 01633 290519


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Our Herne Bay development called for a bespoke implementation due to space restrictions on site. As Weholite pipes are lightweight and easy to manoeuvre, they could be easily offloaded from the lorry and placed directly into the trench, which also removed a number of health and safety issues and saved a considerable amount of time.

"Asset’s ability to create a custom drainage solution to our exact specifications was highly impressive. The team were reliable, fast and efficient and the project was a complete success due to their professionalism and drainage expertise."

Taylor Wimpey

Weholite was the ideal choice of pipe for our soakaway systems at the Topsham Road site due to it being lightweight and fast to install. We pride ourselves on building housing developments that are well protected against the elements and Asset has played a vital part in making this possible.”

Robin Milliner, CJL Construction
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