Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 Knauf Insulation's Polyfoam Floorboard has been chosen for use with Osma underfloor heating systems at the Eden Project's new education centre, The Core. The use of Polyfoam Extruded Polystyrene helps to provide a heating system with minimal environmental impact at the Cornish centre.