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 With a four-hour fire rating, Factory Mutual and LPCB LPS 1208 accreditation, Ruukki 3Lock panels offer improved fi re integrity and optimum air tightness. With lengths of up to 12m and long spans, panels are ideal for external cladding, internal fire compartment walls and clean-room applications.