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 Four Ealing schools are the latest PFI project for Metal Technologies, the UK's most dynamic architectural glazing company. Brentside High School, a three-storey, purpose-built complex, used more than 1,000m 2 of System 17 curtain walling and some 500 System 4-20 casement windows.