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 Scandinavian Window Systems (SWS) has supplied windows and doors for the RSPB's Environment and Education Centre at Rainham Marshes, Essex. The laminated timber windows were combined with high-thermal-performance glass and huge fixed panels to create the viewing area.