Almere District Energy

Almere District Energy

Thermaflex has been a major contributor to the sustainable city development project of Almere, The Netherlands with its Flexalen District Energy system.

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Highbury Apartments

Highbury Apartments

The legendary Highbury Stadium was converted into 860 apartments. JG Speedfit was selected for the hot and cold water plumbing for all units.

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Heating for 4000 Homes

Heating for 4000 Homes

The City of Purmerend, NL replaced its district heating network into 4,000 existing homes using a pre-fabricated Flexalen PB-1 system from Thermaflex

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BD Bacatá

BD Bacatá

Flexible PB-1 piping has been specified for the South Tower and Mall water systems of BD Bacatá in Bogotá, Columbia's tallest building project.

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Cambridge Kaleidoscope

Cambridge Kaleidoscope

A total of 408 apartments were equipped with Polybutene-1 Underfloor Heating using JG Speedfit lay flat pipe and plumbing fittings.

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PBPSA | Polybutene Piping Systems Association

The Polybutene Piping Systems Association (PBPSA) is an international association of market leading companies committed to the use of the thermoplastic material, Polybutene-1 (PB-1) for the manufacture of piping systems. Also known as polybutylene, PB-1 is used worldwide in applications including piping systems for large-scale building projects, district energy networks, heating and cooling, and plumbing installations.

Case studies


Latest News

New PB-1 grades, applications and techniques are constantly being developed. Latest News provides updates of new innovations in PB-1 products, performance and end use.

Harmonizing Comfort, Capital and Environment

A healthy and cool indoor climate, it is a basic living... more

JG Speedfit a Full BMF Member

JG Speedfit, the world leading manufacturer for push-fit fittings, has been awarded... more

Best for the World Environment

PBPSA member Thermaflex (North West Europe), the innovator and manufacturer of... more

Sustainable Energy for All

In September 2011, the UN Secretary-General Ban Ki-moon launched Sustainable Energy... more

Nueva Terrain PB-1 Manual

A technical document covering all aspects of PB-1 piping capabilities and... more

New Thermaflex Website

With a focus on the Thermaflex operating philosophy of "taking care of energy... more

PBPSA welcomes Nueva Terrain

PBPSA warmly welcomes Nueva Terrain S.L. as our latest member company. PBPSA members... more

A plastic push-fit revolution

The invention of the push-fit fitting is driven by the demand for faster and easier... more

Sustainability at John Guest

As the heating industry strives to minimise its impact on the environment, PBPSA... more


Polybutene Piping Systems Association (PBPSA) members