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 Marshall-Tuflex has contributed to Hanson's new development of a two-storey house in the grounds of the Building Research Establishment at Bucknall Lane, Watford. Marshall-Tuflex supplied one of its own Rainwater Systems for the project, via stockist Eurocell Building Plastics.