Industry calendar highlights OSMA Underfloor Heating sustainable installation

Wavin Plastics’ installation of OSMA Underfloor Heating in the environmentally friendly Eden Project features in the new 2007 Polybutene Piping Systems Association (PBPSA) calendar.

Illustrated with full colour photos, the calendar features a series of projects that have used polybutylene pressure piping in plumbing, heating and climate control systems.

September showcases the bespoke OSMA Underfloor Heating (UFH) system designed by Wavin for ‘The Core’, the Eden Project’s £15 million education centre.

The building’s unique structure mirrors the way plants grow, with a central trunk and a canopy roof to shade the ground and harness the sun. Wavin’s OSMA Underfloor Heating system was chosen on the basis that it would not detract from the aesthetics of The Core while providing a sustainable heating supply.

Rex Ingram, managing director, OSMA Underfloor Heating said: “The education centre’s construction, from design to completion, is truly amazing. We are very pleased to have been part of the process and been able to design a system that suits all the centre’s needs and requirements. Underfloor heating offers comfort, convenience, long-term durability and energy efficiency, so it is ideal for the sustainable Eden Project.”

In total four OSMA UFH products using polybutylene have been installed in the education centre’s café and offices, covering an area of approximately 1350m³.

The ground floor area of 700m² operates by means of system plates, applied directly onto the 100mm of floor insulation layer. The system plates are clipped and locked together easily, and prevent any ingress of screed between the joints. The heating pipe is then securely fitted into the system plate locaters to the exact designed layout.

The first and second floors of The Core, comprising an area of 650m², are operated by means of floating and battened foiled systems, which consist of CNC routed high performance extruded polystyrene panels. These panels arrive on site complete with an integral aluminium diffusion plate sealed over with a transparent film. The pipework is located in the diffusion plate, which acts as an excellent heat conductor when the floor deck is installed.

The 2007 calendar is now available direct from PBPSA member Wavin Plastics. Copies can be obtained via the Wavin Plastics online literature request at

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